COMPOSITIONAL EFFECTS ON SOME PHYSICAL PROPERTIES ON Fe-Si-B METALLIC GLASSES

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COMPOSITIONAL EFFECTS ON SOME PHYSICAL PROPERTIES ON Fe-Si-B METALLIC GLASSES

W. Dmowski, T. Jagieli_ski, T. Walecki, H. Matyja

To cite this version:

W. Dmowski, T. Jagieli_ski, T. Walecki, H. Matyja. COMPOSITIONAL EFFECTS ON SOME

PHYSICAL PROPERTIES ON Fe-Si-B METALLIC GLASSES. Journal de Physique Colloques, 1980,

41 (C8), pp.C8-127-C8-130. �10.1051/jphyscol:1980833�. �jpa-00220339�

JOURNAL DE PHYSIQUE Colloque C8, suppldment au n08, Tome 41, aoCt 1980, page C8-127

COMPOSITIONAL EFFECTS ON SOME PHYSICAL PROPERTIES ON F e - S i - 8 METALLIC GLASSES

8. *X

W. Dmowski , ^T. ~ a ~ i e l i 6 s k i , T . I l a l e c k i and H. Matyja

..Institute of Material Science and Engineering, Warsaw Technical University, Warsaw, Poland I n s t i t u t e o f Physics, Polish Acadeqj of Sciences, Warsaw, Poland

A b s t r a c t .

-

Data on c r y s t a l l i z a t i o n temperature ( T ~ ) , s a t u r a t i o n magnetostricCion (1 ), f o r c e d volume m a g n e t o s t r i c t i o n (aw/a~) and Young's modulus (E) were r e p o r t e d f o r v a r i o u s m e t g l l i c g l a s s e s of nominal compositions Fe S i B (68<x<84) and Fe75SiyB25-y ( 2 < y < 18). It was found, f o r

x 90-x 10

FexSi90-xB10 a l l o y s , t h a t an a d d i t i o n of S i t o Fe-B b i n a r y a l l o y s i n c r e a s e s T however i t d e c r e a s e s x '

T i n c a s e of h i g h S i c o n c e n t r a t i o n ~ i n F e , ~ S i ~ B ~ ~ - ~ . ?he observed v a l u e s of X a r e h i e h e r a s compared

- , - ..

w i t h Fe-B b i n a r y a l l o y s , and s t r o n g l y depend on t h e S i c o n t e n t . The f o r c e d volume m a g n e t o s t r i c t i o n i s almost independent of x up t o x = 75 and it i s r e l a t i v e l y low (about 18.10-lo 0e-') ; however i t in- c r e a s e s a t h i g h e r Fe c o n c e n t r a t i o n s . Younz's modulus g r e a t l y depends on t h e Si/B r a t i o i n

Fe S i B g l a s s e s . 75 y 25-y

EX?ERD,:EI\JTAL. k,lorphous a1 loys were prepa- red in the form of ribbons by single-roll rapid-quenching method. The structure was checked by X-ray diffraction (1'.!0:'4, )

.

Pe6aSi22Bi0 alloy was partially crystalli- zed. Crystallization temperatures were de- termined by differential scanning calori- metry at heating rate of 10 K/min. The li- near saturation magnetostriction coeffi- cient and forced volume magnetostriction were measured using the three-terminal-ca-

pacitance method at magnetic field

strength 1.2

T

[I]. The specific youngcs modulus

(

X / d ) in r~agnetic saturated state was calculated from the value of the me- chanical resonant frequency of a free-vi- brating sample. The resonant frequency was measured by the resonance-antiresonance method and/or by the motional impedance

circle method I21 .Fdeasurements were taken at room temperature.

THERMAL STABILITY. Tenperatures of crysta- § llization start ( T,

)

are sholm in Figs.1, 2. For l?e,SigO-xB1O glasses, as compared

I ¹

6 8 72 7 6 8 0 8 4

X

Fig.l.Temperatures of crystallization start

(TX,)

and second differential thermal peak

[ T X ~ ) for FexSigO-xB1O metallic glasses

with Fe-I3 binary alloys 131, Tx is incre- ased. The temperatures are highest for compositions rich in silicon and close to the stoechiometric composition. The tempe-

Article published online by EDP Sciences and available at http://dx.doi.org/10.1051/jphyscol:1980833

JOURNAL DE PHYSIQUE

C8-128

r a t u r e of t h e second d i f f e r e n t i a l t h e n l a 1 pea4 ( T x 2 ) s l i g h t l y d e c r e a s e s w i t h a r i s e of x, i n c o n t r a r y t o Fe-3 a!norp!?ous a l l o y s

0 1 .

For Pe S i B

75 y 25-y a l l o y s , an a d d i t i o n of S i r e s u l t s i n an i n c r e a s e i?:

Tx* However, a t h i g h e r S i c o n t e n t s Tx de- c r e a s e s , probably owing t o quenche2-in Pe S i n u c l e i ; t h e r e f o r e Pe3Si coapound

3

nay p r e c i p i t a t e a s t h e f i r s t phase I41

.

Generally, t e r n a r y a l l o y s a r e more r e s i s - t a n t t o c r y s t a l l i z a t i o n , because of r e t a r - ded n u c l e a t i o n and reduced gromth r a t e s

[3j. Bo such s t a b i l i z a t i o n h a s been found i n a l l o y s e x h i b i t i n g primary c r y s t a l l i z a - t i o n [31, a s e x a n p l i f i e d bg ?leC,l~ir'i' o '10 g l a s s

(

Pig. 1

) .

850

-

⁰

samples from Centr.Res. I n s t . Phys. ,Budapest

ZIXGNETOSPL<ICTION. It i a w e l l 'crov~n t h a t n l l Fe-rich n e t a l l i c g l a s s e s e x h i b i t r e l a - t i v e l y h i g h l i n e a r s a t u r a t i o n n a g n e t o s t r i - CtLon

as ⁽

³⁰

-

4 0 * 1 0 - ~

)

[51

.

^{Pig. 3 shows}

t h e r e s u l t s obtained f o r Pe-Bi-3 anorphous a l l o y s . It i s e v i d e n t t h a t , f o r t h e sane Pe c o n c e n t r a t i o n ,

hs

13 g r e a t e r f o r Ui- c o n t a i n i n g g l a s s e s t h e n f o r F'e-l> b i n a r y a l l o y s . h r i s e of Be c o n t e n t r e s u l t s i n a l a r g e i n c r e a s e i n f o r Fe-i;i-13 rrnetallic g l a s s e s

(

from 32.10- 6 f o r Fe70Si20B,0 a l l o y t o 4 3 * 1 0 - ~ f o r F e ~ l S i g R 1 O a l l o y

) .

Luborsky e t a l . have r e p o r t e d an i n c r e a s e i n A s a s a f u n c t i o n o f t h e S i c o n t e n t i n Fe80SixBZO-x a l l o y s [ 7 ] . We o b s e r v e d a si- m i l a r tendency f o r Fe75SiyB25-y m e t a l l i c g l a s s e s [6].

Fig.2.Temperatures of c r y s t a l l i z a t i o n s t a r t ( Txl

)

and second d i f f e r e n t i a l thermal peak (yXg) f o r Pe75SiyB25-y m e t a l l i c g l a s s e s

O'Handley has shown t h a t m a g n e t o s t r i c t i o n i n amorphous FegOB ₂₀ a l l o y could be ex- p l a i n e d by an one-ion model o f i n t e r a c t i o n s [t3] . ~ i f f e r e n c e s i n t h e v a l u e s of A s f o r Fe-Si-B and Fe-B amor~hous a l l o y s , i n the framework of one-ion i n t e r a c t i o n s , can be a t t r i b u t e d t o t h e d i f f e r e n c e s i n Young's moduli; however t h i s problem cannot be d e f i n i t e l y s o l v e d , without Eeasurements o f t h e temperature-dependence of A s and o f ma- g n e t i z a t i o n

O .

The col-nposition-dependence of f o r c e d volane m a g n e t o s t r i c t i o n i s shown i n Pig.3.

The v a l u e of' /a11 i s almost composi- tion-independent up t o x = 75. For highel- Fe c o n t e n t s a s u b s t a n t i a l i n c r e a s e -Ls ob- served. T h i s seerns t o r e f l e c t t h e c!:.nn~es i n t h e c o ; l p o s i t i o n a l s h o r t - r a n g e o r d e r . Pox* h i g h e r Pe c o n t e n t s , most of t h e nearest

neighbours of t h e i r o n atom a r e o t h e r i r o n atoms. T h i s s h o u l d i n c r e a s e t h e magnetic moment I: and h i g h - f i e l d s u s c e p t i b i l i t y

s

X h f ; a c c o r d i n g t o d e l :

Jw/ 3

^E - 1 : ~ 1 ~ ~ ~ [ 9 1 . YOUNG'S 1,TODULUS ( E

i.

Pig.4 shows t h e va-

l u e s of E c a l c u l a t e d from measurements of E/d and d e n s i t i e s I61 f o r t h e same sam- p l e s . Por Fe,Si90-x1310 a l l o y s , E i s a l n o s t independent o f t h e Pe c o n c e n t r a t i o n . This behavioux i s s i m i l a r a s compared w i t h Pe-3 b i n a r y a l l o y s I101 ; however,' X i s s m a l l e r , because of t h e p r e s e n c e of s i l i c o n . For Fe75SiyB25-y g l a s s e s , E d e c r e a s e s w i t h a r i s e of S i c o n t e n t . Den Broeder and van d e r . Borst Il?l have demonstrated t h a t t h e e f f e c t i v e c o m p r e s s i b i l i t y i s mainly d e t e r - mined by t h e more compressible phase. A s

Fig. 4. Young's modulus f o r Be Si3r31 and FeT5Siy 32 5-y a l l o y s

I? i s p r o p o r t i o n a i t o t h e buie noaulua, t h e d r o p i n 3 w i t h a n i n c r e a s e i n s i l i c o n con- t e n t r e f l e c t s t h e d e c r e a s e i n bull: modulus and r i s i n g molar volume of t h e m e t a l l o i d element 1113

.

However, f o r low S i c o n t e n t s E remains n e a r l y c o n s t a n t . I n t h i s c a s e , S i atoms f i t w e l l i n t o Fe-3 amorphous s t r u c t u r e and t h e a l l o y d e n s i t y i n c r e a s e s

161. It i s i m p o r t a n t t h a t X i s sensit.il.ve t o t h e c o m p o s i t i o n a l s h o r t - r a n g e o r d e r which probably changes from one o f t h e Fe3B t y p e t o t h a t of t h e Pe3(Si,B) type.

AL?~NCBLEDGXI~IETTT. The a u t h o r s s i n c e r 2 l y thank D r . J . l a t u s z k i e w i c z and ilr. A.Ca2ka f o r h e l p i n p r e p a r a t i o n of t h e samples, and D r . B.D$browski f o r s t i m u l a t i n g d i s - c u s s i o n . B.DmowsBi and H.Natyja were sup- p o r t e d by g r a n t s from t h e ZYnistry of Science, Academic Education and Technology under c o n t r a c t kIR. I. 21.

The c r y s t a l l i z a t i o n s t u d i e s were perfox- med i n co-operation with D r . ~ , ~ ; r n e n ~ from Centr.Res.Inet.Phys., Budapest.

The complete r e s u l t s w i l l be p u b l i s h e d r121

.

JOURNAL DE PHYSIQUE

i{EPdRERCSS

111 l?.Tsuya, ii. I . A r a i , Y. S h i r a g a , k;.':'ama- da, and T.Liasumoto, p h y s . s t a t . s o 1 . ( a )

2,

557 (19751

121 T. J a g i e l i i s k i , T.l:!aLac::i, J.l.;agn.P,Tegn.

?,Tat. 15-18, 1415 (19C0)

0 1 U.ICbster, U.Herold, C r y s t a l l i z a t i o n of I i e t a l l i c C l a s s e s ; t o be p u b l i s h e d i n : b i e t a l l i c G l a s s e s , S p r i n g e r , 19oC; and r e f erefices t h e r e - i n

141 d.~a2us!ra, p i v a t e comrnuilication [51 T I Jagielir:ls;:i, E.:. l .-Arai, IJ.'i'suya,

;.

Ghnuma, and l.!iasumoto, 12,?J:3 Trans.

-

-

: ~ a g n . IAG-13, 1553 (1977) I61 t o be p u b l i s h e d

f.71 P. E. _Luborsicy

,

P. 3. F l a n d e r s , H. H. _Liber- man, J. L . J a l t e r , I Z E L Trans.i;aagn.

LlllG-15, 1961 ( 1 9 7 9 )

I81 ~ . ~ . ~ * ~ a n d l e ~ , S o l i d S t a t e Corx. 22, 485 (1977

1

[91 1;. ?:ere 1, Le Izagnetisme S t r a s b o u r g : C.N.R.S. vo1.2, p.65 ( 1 9 3 9 ) [I01 l~.I;ii;uchi, K.Fukamichi, T.LTasmoto,

T. J a g i e l i d s k i , R.I.:aai, and N.fsuya, phys.stat.so1. a 48, 175 ( 1 9 7 8 ) [I 11 P. J.A. den Broeder, J. van d e r B o r s t ,

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50,

4279 ( 1979 ) I121 !?.&meny e t a l . , t o b e p u b l i s h e d 11 31 K.Narita, J. Yamasaki, and H. Fukunaga,

J.Appl.Phye.

54,

7591 ( 1979 )