Iec 60404 8 1 2015

Partie 8- 1: Spécific t ions pour matériaux part icul ers – Matériaux... This cla sifi atio is giv n in Ta le 1... Table 13 – Mag etic pro ertie an densitie of RE eB mag ets Material Man

Partie 8- 1: Spécific t ions pour matériaux part icul ers – Matériaux

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FOREWORD 4

INTRODUCTION 6

1 Sc p 7

2 Normativ ref ere c s 7

3 Terms a d d f i itio s 7

4 Ty e of materials a d th ir a plc tio s 7

5 Cla sifi atio 8

5.1 Ge eral 8

5.2 Prin ip l ma n tic pro ertie 8

5.3 Ad itio al ma n tic pro ertie 9

6 Ch mic l c mp sitio 10 7 De sitie 10 8 De ig atio 10 9 Mo e of s ipme t a d dime sio s 10 10 Te tin 10 10.1 Exte t of te tin 10 10.2 Te tin meth d 10 1 Gro n s f or reje tio 1

12 De criptio of ta le of sta d rd pro ertie 1

12.1 Ma n tic ly h rd al oy 1

12.1.1 Aluminium-nic el-co alt iron- itanium al oy (AINiCo) 1

12.1.2 Chromium-iro -c b lt alo s (CrFeCo) 12 12.1.3 Iron-cob lt v n dium-c romium al oy (FeCoVCr) 12 12.1.4 Rare e rth-co alt al oy (RECo) 13 12.1.5 Rare e rth-iro -b ro alo s (REFeB) 14 12.2 Ma n tic ly h rd c ramic (ma n tic l y h rd f er ites) 14 12.2.1 Ch mic l comp sition 14 12.2.2 Ma ufacturin method 15 12.2.3 Sub-clas if i ation 15 12.2.4 Ma n tic pro ertie a d den ities 15 12.2.5 Dime sio al tolera c s 15 12.3 Bo d d ma n ts 15 12.3.1 Ge eral 15 12.3.2 Ch mic l c mp sitio 15 12.3.3 Man f acturin method 16 12.3.4 Sub-clas if i ation 16 12.3.5 Ma n tic pro ertie a d d n itie 17 12.3.6 Dime sio al tolera c s 17 13 Ire ersible d ma n tiz tio b h vio r 17 13.1 Ge eral 17 13.2 Ge eral d f i itio of d ma n tiz tio fi ld stre gth H D 18 13.3 Simplfi d d f i itio of d ma n tiz tio f i ld stre gth H D 18 14 Ta le 10 to 2 2

An e A (informativ ) Ph sic l d ta a d me h nic l ref ere c v lu s of AINiCo, CrFeCo, FeCoVCr, SmCo, NdFeB, h rd f er ite a d b n e SmFeN ma n ts 3

Fig re 1 – Gra hic re re e tatio of B(H) a d J(H) d ma n tiz tio a d re oi c rv s 19

Fig re 2 – Simpl fi d e alu tio of B(H) a d J(H) d ma n tiz tio a d re oi c rv s 2

Ta le 1 – Cla sif i atio of ma n tic l y h rd materials 8

Ta le 2 – Ma n tic pro ertie — Symb ls a d u its 9

Ta le 3 – Ad itio al ma n tic pro ertie — Symb ls a d units 9

Ta le 4 — Ch mic l c mp sitio s of AlNiCo alo s (% ma s fra tio ) 1

Ta le 5 — Ch mic l c mp sitio s of CrFeCo al o s (% mas f raction) 12 Ta le 6 — Ch mic l c mp sitio s of FeCoVCr al o s (% ma s fra tio ) 12 Ta le 7 – Ch mic l c mp sitio s of RECo alo s (% ma s fra tio ) 13 Ta le 8 – Ch mic l c mp sitio s of REFeB al o s (% mas f raction) 14 Ta le 9 – Ch mic l c mp sitio s of REFeN alo s for b n e ma n t (% mas f raction) 16 Ta le 10 – Ma n tic pro ertie a d d n itie of AlNiCo ma n ts 21

Ta le 1 – Ma n tic pro ertie a d d n itie of CrFeCo a d FeCoVCr ma n ts 2

Ta le 12 – Ma n tic pro ertie a d d n itie of RECo ma n ts 2

Ta le 13 – Ma n tic pro ertie a d d n itie of REFeB ma n ts 2

Ta le 14 – Ma n tic pro ertie a d d n itie of h rd f erite 2

Ta le 15 – Ma n tic pro ertie a d d n itie of is tro ic AlNiCo alo s with org nic bin er 2

Ta le 16 – Ma n tic pro ertie a d d n itie of RECo alo s with org nic bin er 2

Ta le 17 – Ma n tic pro ertie a d d n itie of is tro ic REFeB al o s with org nic bin er 2

Ta le 18 – Ma n tic pro ertie a d d n itie of is tro ic a d a is tro ic h rd f erite with org nic bin er 2

Ta le 19 – Ma n tic pro ertie a d d n itie of a is tro ic REFeN alo s with org nic bin er 3

Ta le 2 – Dime sio al tolera c s (a c st or a sintere ) of ma n ts ma e from AlNiCo alo s 31

Ta le 21 – Dime sio al tolera c s of c ld role strip of FeCoVCr a d CrFeCo al o s with a ma imum thic n s of 6 mm a d ma imum width of 2 mm 3

Ta le 2 – Dime sio al tolera c s of th diameter of c ld drawn wire a d b rs of FeCoVCr a d CrFeCo alo s 3

Ta le 2 – Dime sio al tolera c s o ma n ts ma e f rom h rd ferite 3

Ta le A.1 – Ph sic l d ta a d me h nic l ref ere c v lu s of AlNiCo, CrFeCo, FeCoVCr, SmCo, NdFeB, h rd fer ite a d b n e SmFeN ma n ts 3

Part 8-1: Specif ications f or individual materials –

Magnetical y hard materials

FOREWORD

1) Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org nizatio for sta d rdizatio c mprisin

al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q estio s c n ernin sta d rdizatio in th ele tric l a d ele tro ic f ields To

this e d a d in a ditio to oth r a tivities, IEC p blsh s Intern tio al Sta d rds, Te h ic l Sp cif ic tio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re fter refere to as “IEC

Pu lc tio (s) Th ir pre aratio is e truste to te h ic l c mmite s; a y IEC Natio al Commite intereste

in th su je t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n

n-g v rnme tal org nizatio s laisin with th IEC also p rticip te in this pre aratio IEC c la orates closely

with th Intern tio al Org nizatio for Sta d rdizatio (ISO) in a c rd n e with c n itio s d termin d b

a re me t b twe n th two org nizatio s

2) Th formal d cisio s or a re me ts of IEC o te h ic l materse pres , as n arly asp s ible, a intern tio al

c nse sus of o inio o th rele a t su je ts sin e e c te h ic l c mmite h s re rese tatio fom al

intereste IEC Natio al Commite s

3) IEC Pu lc tio s h v th form of re omme d tio s f or intern tio al use a d are a c pte b IEC Natio al

Commite s in th t se se Whie al re so a le eforts are ma e to e sure th t th te h ic l c nte t of IEC

Pu lc tio s is a c rate, IEC c n ot b h ld resp nsible for th wa in whic th y are use or f or a y

misinterpretatio b a y e d user

4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s

tra sp re tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e

b twe n a y IEC Pu lc tio a d th c resp n in n tio al or re io al p blc tio sh l b cle rly in ic te in

th later

5) IEC itself d es n t pro id a y atestatio of c nformity In e e d nt c rtific tio b dies pro id c nformity

as es me t servic s a d, in some are s, a c s to IEC marks of c nformity IEC is n t resp nsible for a y

servic sc rie o t b in e e d nt c rtif ic tio b dies

6) Al users sh uld e sure th t th y h v th latest e itio of this p blc tio

7) No la i ty sh l ata h to IEC or its dire tors, emplo e s, serv nts or a e ts in lu in in ivid al e p rts a d

memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rso al injury, pro erty d ma e or

oth r d ma e of a y n ture wh tso v r, wh th r dire t or in ire t, or f or c sts (in lu in le al fe s) a d

e p nses arisin o t of th p blc tio , use of, or rela c u o , this IEC Pu lc tio or a y oth r IEC

Pu lc tio s

8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Use of th refere c d p blc tio s is

in isp nsa le for th c re t a plc tio of this p blc tio

9) Ate tio is drawn to th p s ibi ty th t some of th eleme ts of this IEC Pu lc tio ma b th su je t of

p te t rig ts IEC sh l n t b h ld resp nsible f or id ntifyin a y or al su h p te t rig ts

Intern tio al Sta d rd IEC 6 4 4-8-1 h s b e pre are b IEC te h ic l c mmite 6 :

IEC 6 4 4-8-1:2 15 © IEC 2 15 – 7 –

Part 8-1: Specif ications f or individual materials –

Magnetical y hard materials

This p rt of IEC 6 4 4 s e if i s minimum v lu s f or th prin ip l ma n tic pro ertie o

a d dime sio al tolera c s for, te h ic l y imp rta t ma n tic l y h rd materials (p rma e t

in Ta le A.1 for informatio a d c mp riso p rp s s

2 Normative ref erence

Th f olowin d c me ts, in wh le or in p rt, are n rmativ ly ref ere c d in this d c me t a d

are in is e s ble f or its a plc tio For d te ref ere c s, o ly th e itio cite a pl e For

ame dme ts) a ple

www.ele tro e ia.org)

IEC 6 4 4-5, M ag e c materials – P art 5: P erma e t ma n t (ma n tica y h rd) materials –

Methods ofme sureme t of ma n tic pro erti s

3 Terms and def initions

For th p rp s s of this d c me t, th terms a d d f i itio s giv n in IEC 6 0 0-121 [1]

IEC 6 0 0-151 [2] a d IEC 6 0 0-2 1 [3] a ply

1

4 Type of materials and their appl cations

Perma e t ma n tic materials, als d sig ate a ma n tic l y h rd materials, are

clas if ied in IEC 6 4 4-1 [4] a Cla s R (ma n tic l y h rd al o s), Cla s S (ma n tic ly

h rd c ramic ) a d Cla s U (b n e mag ets)

Perma e t ma n ts h v a c ercivity relatin to th ma n tic p lariz tio gre ter th n

1 kA/m After b in ma n tiz d to s turatio th y pro u e a material-d p n e t s e if i

ma n tic e erg , whic c n b u e in static or d n mic ma n tic circ it a plcation

Perma e t ma n tic materials are u e in n arly e ery are of d i y lfe Th y p rf orm

– 8 – IEC 6 4 4-8-1:2 15 © IEC 2 15

lo d p a ers Perma e t ma n t materials are in is e s ble in of f ic e uipme t a d

c mp ter hardware, a tomo i e in lu in pro ulsio motors for Hy rid Ele tric Ve icle

(HEV) a d Ele tric Ve icle (EV), e tertainme t ele tro ic , telecommu ication , h u e old

u e th s me cla sif i atio of p rma e t ma n tic materials for te h ic l a pl c tio s Th

b n e REFeN ma n ts are n wly a d d a U5 for th f irst p rt of th c d n mb r This

cla sifi atio is giv n in Ta le 1 Th materials are gro p d a c rdin to th ir metal urgic l

relation hips

Table 1 – Cla sification of mag etical y hard materials

5.2 Prin ipal magnetic pro ertie

Symb ls a d u its of ma n tic pro ertie of ma n tic ly h rd materials are giv n in Ta le 2

For a is tro ic materials, th y are v ld o ly alo g th o e pref er e direction

For more d tai s o siz l mits for meas rements, s e IEC 6 4 4-5

pro ertie may b o tain d if th dimensional c n itio s me tio e a o e are n t satis ed

For th meth d of me s reme t of th c ercivity of ma n tic materials in a o e ma n tic

circ it, s e IEC 6 4 4-7 [5]

5.3 Additional magnetic pro ertie

Symb ls a d u its of a ditio al ma n tic pro ertie of ma n tic l y h rd materials are giv n

in Ta le 3

Table 3 – Ad itio al mag etic pro ertie — Symb ls an units

Temp rature c eficie t of th rema e t flu

d nsity [it c re p n s to th temp rature c eficie t

of th ma n tic s turatio α(J

s]

– 10 – IEC 6 4 4-8-1:2 15 © IEC 2 15

Th c mp sitio ra g s f or th dif fere t material gro p are giv n f or inf ormatio purp ses

th brief d sig atio , th y in ic te main c n titu nts Th n mb r b fore th o lq e stro e

ro n in u or d wn to th n arest inte er If ro n in d wn wo ld giv th inte er zero, th n mb r c ntainin

th first ro n e n n-zero d cimal is maintain d

Th c d n mb rs are d riv d f rom th cla sifi atio s stem u e in IEC 6 4 4-1 Th

let er in th c d n mb r me n th cla s of th ma n tic ly h rd material Th first n mb r

d sig ate th kin of material in th re p ctiv cla s, s e Ta le 9 A ‘0’ in th s c n

p sition me n th t th material is ma n tic ly is tro ic, a “1”, th t th material is

mag etical y a is tro ic Th n mb r in th third p sitio d n te th dif fere t grades

9 Mode of shipment and dimensions

1 Grounds f or rejection

Gro n s f or reje tio in lu e inf erior ma n tic q al ty (Ta le 10 to 19 giv s e if i d

minimum v lu s of s me ma n tic pro ertie ), p y ic l dime sio s a d dime sio al

tolera c s (Ta les 2 to 23)

Extern l a d intern l me h nic l imp rf ectio s ma b c n id re a c u e f or reje tio , if

th s are d leterio s to h n l n a d a pl cation

Th p rc a er’s n tifi atio of reje tio to th s p ler s al b a c mp nie b s mple of

th reje te con ig ment

12 De cription of table of standard properties

12.1 Magnetical y hard al oy

12.1.1 Aluminium-nic el-c balt iron- ita ium al oys (AINiCo)

12.1.1.1 Chemical c mpositio

Perma e t ma n ts b s d o aluminium-nic el-co alt iron- itanium, ref ere to a AINiCo,

f orm a bro d s e trum of c mp n nt ric alo s in th c mp sitio ra g s given in

Table 4 (v lu s in p rcentage mas f raction)

Table 4 — Chemical c mpositio s of AlNiCo al o s (% ma s f ractio )

in re s d in a pref er ed dire tio b a plyin a ma n tic fi ld d rin h at tre tme t By this

pro e ure a mag etic a is tro y is g n rate in th material

Th b st p rf orma c s of AlNiCo ma n ts are a hie e with c lumn r or sin le cry tal

stru ture materials Th ma n tic f i ld a ple d rin th h at tre tme t h s to b p ral el

12.1.1.4 Mag etic propertie and densitie

Th ma n tic pro ertie a d d n itie are giv n in Ta le 10 (Se als 5.2, 5.3 a d

Cla s 7.)

12.1.2 Chromium-iro -c balt al oys (CrFeCo)

12.1.2.1 Chemical c mp sitio

Perma e t ma n ts b s d o c romium-iron-co alt al o s, ref er e to a CrFeCo, h v

c mp sitio s within th ra g s giv n in Table 5 (v lu s in p rcentage mas f raction)

Table 5 — Chemical c mp sitio s of CrFeCo al oys (% ma s fra tion)

drawin to pro u e strip a d wire Parts are ma e f rom this material b stampin ,

turnin or dri in Su s q e t to th s a in , a h at tre tme t h s to b pro id d to o tain

metal urgical pro e s Th ma n tic p rforma c of th c st a wel a sintere material

c n b in re sed in a prefere dire tio b a plyin a ma n tic f i ld d rin h at

12.1.2.4 Mag etic propertie and de sitie

Ma n tic pro ertie a d d n itie of is tro ic a d a is tro ic CrFeCo ma n ts are giv n in

Ta le 1 (s e 5.2, 5.3 a d Cla s 7.)

12.1.2.5 Dimensional tolera c s

Valu s of dime sio al tolera c s of c ld rol e strip a d c ld drawn wire a d b rs are

given in Ta le 21 a d 2 , re p ctiv ly For sintere ma n ts, th tolera c s s al b

IEC 6 4 4-8-1:2 15 © IEC 2 15 – 13 –

12.1.3.2 Man f acturin metho

pro u e strip or wire , re p ctiv ly Th c ld d formatio (8 % to 9 %), f olowe b a

h at tre tme t in th ra g f rom 5 0 °C to 6 0 °C, is e s ntial f or th pro u tio of th

p rmanent ma n t pro erties

12.1.3.3 Sub-cla sif ic tion

Th re omme d d s b-clas if i ation is b s d o th c ercivity relate to th ma n tic

p lariz tio H

cJ

12.1.3.4 Mag etic propertie and d nsitie

Ma n tic

pro erties a d d n itie are giv n in Ta le 1 (Se als 5.2, 5.3 a d Cla s 7.)

12.1.3.5 Dimensional tolera c s

Valu s of th dime sio al tolera c s of c ld role strip a d c ld drawn wire are giv n in

Ta le 21 a d 2 , resp ctively

12.1.4 Rare e rth-cob lt al o s (RECo)

17

Th comp sition

RE

2Co

17

is u e a th g n ric n me f or a s rie of bin ry a d multi-p a e al o s with a

n mb r of tra sitio eleme ts p rtial y re la in c b lt Th al o s h v a stro g u iaxial

ma n tic a is tro y a d a hig ma n tic s turatio , re ultin in a hig c ercivity H

p rcentage mas f raction)

Table 7 – Chemical c mp sitio s of RECo al oys (% ma s f ractio )

17

Samarium (Sm) is th main RE metal in th s alo s a d le d to th b st ma n tic

pro erties

comp nent

12.1.4.2 Man f acturin meth d

Comp ctin of th mo o ry tal n RECo p wd r is c r ie o t in a ma n tic f i ld, th s

o tainin p rticle-orie te a is tro ic ma n ts Th pre s d b die are sintere u der

v c um or u d r a prote tiv atmosphere f olowed by he t tre tments

12.1.4.3 Sub-cla sif ic tion

Anis tro ic alo s of th ty e

RECo

5(R5-1-x)

wh re x = 10, 1 , 12, …… 19

12.1.4.5 Dimensional tolera c s

14

B

aloy f orms a tetra o al cry tal stru ture a d s ows b th a hig

s turatio ma n tiz tio a d a hig u ia ial ma n to ry tal n anisotro y

Th c mp sitio ra g s of th REFeB alo s are giv n in Ta le 8 (v lu s in p rcentage

mas f raction)

Table 8 – Chemical c mpositio s of REFeB aloys (% ma s fra tion)

e g V, N ,Al Ga,Cu

F

12.1.5.2 Man f acturin meth ds

Comp ctin of th mo o ry tal n REFeB p wd r is c r ie o t in a ma n tic f i ld, th s

o tainin p rticle-oriented a is tro ic ma n ts Th pre s d b die are sintere u d r

v c um or u d r a prote tiv atmosphere f ol owed by a he t tre tment

12.1.5.3 Sub-cla sif ic tion

Anis tro ic alo s of th ty e REFeB (R7-1-x)

wh re x = 1, 2, ……,

12.1.5.4 Magnetic pro ertie and de sities

Th s e ifi d minimum ma n tic pro ertie a d d n ity of a is tro ic materials are giv n in

3(wh re M = Ba a d Sr) Th ratio n c n v ry f rom 4,5 to 6,5 Th ma n tic ly

h rd fer ite h v a h x g n l stru ture with a hig u ia ial ma n to ry tal n a is tro y,

b t a relativ ly low ma n tic saturation

12.2.2 Man f acturin meth d

Comp ctin of th mo o ry tal n h rd fer ite p wd r is c rie o t in a ma n tic f i ld,

th s o tainin p rticle-orie te a is tro ic ma n ts Th pre s d b die are sintere in air

12.2.4 Mag etic pro ertie and d nsitie

Th ma n tic pro ertie a d th d n ity of th is tro ic a d a is tro ic ma n tic l y hard

f erite are giv n in Ta le 14 (Se als 5.2, 5.3 a d Cla s 7.)

12.2.5 Dimensional toleran e

Valu s of th dime sio al tolera c s for is tro ic a d a is tro ic ma n tic ly h rd f er ite

are giv n in Ta le 2

12.3 Bon ed magnets

12.3.1 General

Pla tic b n e p rma e t ma n ts are c mp site materials Th y c n ist of p rmanent

ma n t p wd rs emb d e in a pla tic matrix This bin er p a e d termin s to a larg

extent th me h nic l pro ertie of th c mp site, whi e th ma n t p wd r d termin s

th mag etic pro erties of the comp site Th pro ertie of th c mp site are d termin d b

th ty e of p rma e t mag et material, th matrix material, th fil f actor a d, f or a is tro ic

material, th d gre of alg me t, le din to a wid v riety of grades

In s ite of th ir lower ma n tic pro ertie c mp re with sintere materials, b n e

ma n ts of f er e o omic l a d te h ic l a v nta e in ma y a plc tio s b c u e th y are

c st ef fectiv to ma uf acture a d alow a wid s o e f or s a in a d g o me h nic l

pro erties

Th e p n iv a d ela orate pro e sin ste s re uire in p wd r metalurg are n t

2Co

17,

3

intermetal c c mp u d a d th c emic l c mp sitio ra g s are giv n in Ta le 9

2O

12.3.3 Ma ufa turing meth d

ma n ts”, are larg ly simiar, ir e p ctiv of th ma n t material u e Th f l xible

materials are pro u e b rol n , e tru io or c le d rin , whi e th s a e-sta le ma n ts

are ma e b inje tio mo ldin , die pre sin or extru ion

In th inje tio mo ldin te h iq e, c ld or h t mixin of th ma n t p wd rs, d p n in

o th bin er, is c r ie o t in mix rs, mixin e tru ers or k e ders

Th mo t imp rta t matrix materials for inje tio -mo ld d ma n ts are th th rmo la tic

In th die pre sin te h iq e, whic is o ly u e c mmercialy f or th ma uf acture of

Th c mp u d mixture are lo d d into th die c vitie of pre s to ls a d pre s d into

c mp cts at pre s re from 0,6 GPa to 1 GPa Th c mp cts are th n h at tre te to c re

th bin er Anis tro ic ma n ts c n als b pro u e b die pre sin a is tro ic p wd rs

IEC 6 4 4-8-1:2 15 © IEC 2 15 – 17 –

n = 5, 6, ……, 9 f or RE

2Co

12.3.6 Dimensio al toleran e

Th dime sio al tolera c s s al b a re d u o b twe n s p ler a d purc aser

13 Ir eversible demagnetiz tion behaviour

13.1 General

A ma n tic l y h rd material, b in origin l y in a rema e t state, wi e e tu l y lo e a

c rtain amo nt of f l x wh n e p s d to a d ma n tizin (c u tera tin ) ma n tic f i ld Af ter

remo in th d ma n tizin f i ld, th origin l ma n tic f l x of th rema e t state ma b

totaly or p rtly re tore In th former c s , th ma n tic c a g is c mpletely re ersible,

whi e in th later o e it is p rtly re ersible a d p rtly ir e ersible Th re ersible c a g of

For th la o t it is of prime imp rta c to k ow th ra g of d ma n tizin f i ld s owin

re ersible c a g s o ly More strictly s e kin , o e mu t k ow th d ma n tizin f i ld

Th ref ore th v lu of H

D

whic le d to a pre-d termin d, sti tolera le ma imum lo s is a q a titativ me s re of th

sta i ty of th ma n tic ly h rd material a ain t a d ma n tizin f i ld If , f or in ta c , th

tolera le ma imum lo s of ma n tic f l x d n ity is 5 % th relate f i ld is c l e H

D5.H

)()

(

0fit

lnr,

iHB

i

(1)

This ln inters cts with th B-a is at p int B

r, n For a d ma n tiz tio lo s of e.g 5 %, a ln

with th s me slo e a th fite o e is plote with a is inters ctio at 0,9 × B

r, n This

p ralel ln cro s s th origin l d ma n tiz tio c rv at th f i ld v lu of H

D5

IEC 6 4 4-8-1:2 15 © IEC 2 15 – 19 –

Ke

B ma n tic f lu d nsity or ma n tic in u tio

J ma n tic p larizatio

H ma n tic f ield stre gth

B

r,J

rrema e t f lu d nsity, rema e t ma n tic p larizatio

B

p, J

prema e t re oi flu d nsity

ma n tizin field stre gth whic , af ter h vin b e tra sie tly a ple to th ma n tic state of ema e c ,

le dsto th ma n tic state of rema e t re oi flu d nsity

Fig re 1 – Grap ic repre entatio of B(H) an J(H) demag etiz tio an rec i c rve

This simplf i atio ma b u e o ly with folowin re trictio s:

1

SS

cB H

D

0

IE

er

)()

r,lnrema e t f lu d nsity, rema e t ma n tic p larizatio fom ln ar interp latio

B

p, J

prema e t re oi flu d nsity,rema e t ma n tic re oi p larizatio

ma n tizin field stre gth whic , after h vin b e tra sie tly a ple to th ma n tic state of

rema e t f lu d nsity, le ds to th ma n tic state of rema e t re oi flu d nsity

Figure 2 – Simpl f ied evaluatio of B(H) and J(H) demag etiz tio an rec i c rve

14 Table 10 to 2

Ta le 10 to 19 giv th s e if i d minimum v lu s of pro ertie f or th v rio s materials

Ty ic l v lu s of th relativ re oi p rme bi ty, temp rature c ef f icie ts, Curie temp rature,

Table10 – Mag etic pro ertie an densitie of AlNiCo mag ets

Material Manufa turin Mag etic pro erie Density

Brief

de ig atio

Mag etic

anisoto ya

Curie temp rature: 7 0 °C f or AlNiCo 9/5

Curie temp rature: 8 0 °C to 8 0 °C for oth r AlNiCo’s

Co tin o s o eratin temp rature: 5 0 °C

a

i=istro ic; a = a is tro ic

Coyigt Inter natol Electrotechical Comisio

Table 1 – Mag etic pro ertie an densitie of CrFeCo an FeCoV r mag ets

Material Manufa turin Mag etic pro erie Density

Brief

de ig atio

Mag etic

anisoto ya

=− ,0 %/°C f or oth r CrFeCo’s (for 2 °C to 10 °C)

Temp rature c ff i ie t of c ercivity α(H

c)=− ,0 %/°C (f or 2 °C to 10 °C)

Curie temp rature: 6 0 °C to 6 0 °C

Co tin o s o eratin temp rature: 5 0 °C

Curie temp rature: 7 0°C

Co tin o s o eratin temp rature: 5 0 °C

a

i = is tro ic; a = a is tro ic

b

folowe b h t a d c ld rol n or drawin

Coyigt Inter natol Electrotechical Comisio

Table 12 – Mag etic pro ertie an densitie of RECo mag ets

Material Manufa turin Mag etic pro erie Density

Brief de ig atio Mag etic

RECo S e ified minimum valu s Typic l valu s

Curie temp rature: 7 0 °C

Ma imum o eratin temp rature: 2 0 °C

Curie temp rature: 8 0 °C

Ma imum o eratin temp rature: 3 0 °C

a

a = a is tro ic

Coyigt Inter natol Electrotechical Comisio

Table 13 – Mag etic pro ertie an densitie of RE eB mag ets

Material Manufa turin Mag etic pro erie Density

Brief de ig atio Mag etic

anisoto ya

Curietemp rature: 310 °C

Maimumo eratin temp rature: 2 0 °C

a

a = a is tro ic

Coyigt Inter natol Electrotechical Comisio

Table 14 – Mag etic pro ertie an densitie of hard f erite

Material Manufa turin Mag etic pro erie Density

Brief de ig atio Mag etic

mT kA/m kA/m Mg/m

3

Hard ferite S e ified minimum valu s Typic l valu s

Hard ferite 7/21 i S1

0-Sintere

6,5 19 12 210 1,2 4,9

Hard ferite 7/2 i S10-2 6,5 19 12 2 0 1,2 4,9

Hard ferite 2 /19 a S1 - 2 3 0 17 19 1,1 4,8

Hard ferite 2 /2 a S1 -2 2 3 0 215 2 0 1,1 4,8

Hard ferite 2 /14 a S1 -3 2 3 0 13 13 1,1 5,0

Hard ferite 2 /18 a S1 -4 2 3 0 17 18 1,1 5,0

Hard ferite 2 /3 a S1 -5 2 3 0 2 5 2 5 1,1 4,6

Hard ferite 2 /2 a S1 -6 2 3 0 2 0 2 0 1,1 4,7

Hard ferite 2 /2 a S1 -7 2 3 0 210 2 0 1,1 4,8

Hard ferite 3 /17 a S1 -8 3 410 16 16 1,1 4,9

Hard ferite 3 /2 a S1 -9 3 410 2 0 2 0 1,1 4,9

Hard ferite 2 /3 a S1 -0 2 3 0 2 0 3 0 1,1 4,8

Hard ferite 2 /15 a S1 - 2 4 0 14 15 1,1 5,0

Hard ferite 2 /3 a S1 -2 2 3 0 2 5 3 0 1,1 4,9

Hard ferite 31/3 a S1 -3 31 410 2 5 3 0 1,1 4,9

Hard ferite 3 /2 a S1 -4 3 4 0 2 5 2 0 1,1 4,9

Hard ferite 3 /2

Th L , Co gra e (s e b) h v α(H

c) = 0,1 %/°C to 0,2 %/°C (for 2 °C to 10 °C)

Curie temp rature: 4 0 °C

Maimum o eratin temp rature: 2 0 °C

a

i=istro ic, a = a is tro ic

b

Th s gra e h v s stitutio s of L a d Co

Table15 – Mag etic pro ertie an densitie of

isotro ic AlNiCo alo swith organic bin er

Material Manufa turin Mag etic pro erie Density

Brief

de ig atio

Mag etic

anisoto ya

3

AlNiCo p S e ified minimum valu s Typic l valu s

AlNiCo 3/5 i U10-3 Compre sio

Curie temp rature: 7 0 °C to 8 0 °C

Co tin o s o eratin temp rature: d p n in o bin er

a

i = is tro ic

Coyigt Inter natol Electrotechical Comisio

Table 16 – Mag etic pro ertie an densitie of RECo alo s with organic bin er

Material Manufa turin Mag etic pro erie Density

Curie temp rature: 7 0 °C

Co tin o s o eratin temp rature: d p n in o bin er

Curie temp rature: 8 0 °C

Co tin o s o eratin temp rature: d p n in o bin er

a

i = is tro ic; a =a is tro ic

Coyigt Inter natol Electrotechical Comisio

Table 17– Mag etic pro ertie an densitie of isotro ic RE eB alo s with organic bin er

Material Manufa turin Mag etic pro erie Density

Curie temp rature of th RE eB alo : 310 °C

Ma imum o eratin temp rature: 12 °C

a

i=istro ic

Coyigt Inter natol Electrotechical Comisio

Table 18– Mag etic pro ertie an densitie of isotro ic an anisotro ic hard f erite with organic bin er

Material Manufa turin Mag etic pro erie Density

Brief de ig atio Mag etic

3

Hard ferite p S e ified minimum valu s Typic l valu s

Hard ferite 3/16 i U4-0-0 Extru io 3,2 13 8 16 1,15 3,8

Hard ferite 1/18 i U4-0-2

Injetio

mo ldin

Hard ferite 3/18 i U4-0-21 3,2 13 8 17 1,1 3,8

Hard ferite 4/2 p i U4-0-2 3,5 14 1 0 215 1,1 3,8

Hard ferite 7/18 a U4- 10

Extru io

or

c le d rin

Hard ferite 9/17 a U4- 1 9 215 14 17 1,1 3,6

Hard ferite 1 /2 p a U4- 12 1 2 0 17 2 0 1,1 3,7

Hard ferite 15/2 p a U4- 13 14,5 2 5 19 2 0 1,1 3,8

Hard ferite 8/19 a U4- 2

Injetio

mo ld d

Hard ferite 12/2 p a U4- 21 12 2 0 17 2 0 1,1 3,5

Hard ferite 15/21p a U4- 2 15 2 0 18 210 1,1 3,7

Curie temp rature: 4 0 °C

Co tin o s o eratin temp rature: d p n in o bin er

a

i =istro ic; a =a istro ic

Coyigt Inter natol Electrotechical Comisio

Table 19 – Mag etic pro ertie an densitie of anisotro ic RE eN alo s with organic bin er

Material Manufa turin Mag etic proerie Density

Brief de ig atio Mag etic

anisoto ya

Curie temp rature: 4 6 °C

Co tin o s o eratin temp rature: d p n in o bin er

a

a = a is tro ic

Coyigt Inter natol Electrotechical Comisio

IEC 6 4 4-8-1:2 15 © IEC 2 15 – 31 –

Table 2 – Dimensio al tolerance (a ca t or a sintered)

of magnets made from AlNiCo al o s

Table 21 – Dimensio al tolerance of c ld rol ed strips of FeCoVCr and CrFeCo al o s

with a maximum thic ne s of 6 mm an maximum width of 125 mm

Thic n s ma b me sure at a y p int of th strip at a dista c of at le st 2 mm fom th e g s F r width

les th n or e u l to 4 mm th me sureme tsh l b p rorme in th mid le of th strip

Table 2 – Dimensio al toleran e of the diameter of c ld drawn wire

an bars of FeCoVCr an CrFeCo al o s

Table2 – Dimensio al toleran e o mag etsmade fom hard f erite

Value i n mill i met re

N minal valu Isoto ic hard ferite Anisoto ic hard ferite Hard ferite with bin er

gre ter than up to Perpen ic lar

to the compa tin

Wet cmp cte h rd ferite s l b gro n o th p le s ra e in e ry c e

Coyigt Inter natol Electrotechical Comisio

Annex A

(inf ormative)

Physical data and mechanical ref erence values of AINiCo, CrFeCo,

Table A.1– P ysical dataan mec anical ref eren e value of AlNiCo, CrFeCo, FeCoV r,

SmCo,Nd eB, hard ferite an b n ed SmFeN mag ets

Materialmanufa turin P y ic l pro erie Me hanic l referenc pro erie

3 0 to 3 0b

4 0 to 5 0c

Data for b n e ma n ts with 7 % to 13 % ma s fa tio of PA-2(n lo - 2, a kin of p lymid )

Coyigt Inter natol Electrotechical Comisio

Biblography

Electroma n tism

[2] IEC 6 0 0-151, I ntern ti n l Electrotech ical Voca ulary – P art 151: Electrical a d

ma n tic devices

[3] IEC 6 0 0-2 1, I ntern tion l Electrotech ical Voca ulary – P art 2 1: Ma n tic

materials a d comp n nts

[4] IEC 6 4 4-1:2 0 , M ag e c materials – P art 1: Clas ificatio

[5] IEC 6 4 4-7, M ag e c materials – P art 7: Meth d ofme sureme t of the co rciv y of

ma n tic materials in a o e ma n tic circuit

[6] IEC TR 6 517, Mag e zin b h viour ofp rma e t ma n ts

Stt.010.Mssv.BKD002ac.email.ninhd.vT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.LjvT.Bg.Jy.Lj.dtt@edu.gmail.com.vn.bkc19134.hmu.edu.vn.Stt.010.Mssv.BKD002ac.email.ninhddtt@edu.gmail.com.vn.bkc19134.hmu.edu.vn