Some remarks on the deformation textures of tungsten
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Some Remarks on the Deformation Textures of Tungsten G. D. R I E C K I T is n o w a w e l l - e s t a b l i s h e d fact that d r a w i n g of t u n g s t e n g e n e r a t e s in the w i r e s a n o r m a l f i b e r t e x t u r e in w h i c h the crystallites h a v e t h e i r c r y s t a l l o g r a p h i c [ i i 0 ] d i r e c t i o n a p p r o x i m a t e l y p a r a l l e l to the w i r e a x i s . I-4 In t h i c k w i r e s of m o r e than 1 m m in d i a m , a m o r e o r less w e a k c o m p o n e n t of w h a t is c a l l e d a cyli n d r i c a l t e x t u r e i s u p e r i m p o s e d o n the f i b e r t e x t u r e , h a s b e e n f o u n d .4's T h i s c o m p o n e n t is the r e s u l t of the s w a g i n g o r r o l l i n g p r o c e s s p r e v i o u s to the w i r e d r a w ing. W e s h a l l r e l a t e this c y l i n d r i c a l t e x t u r e to the r o l l i n g t e x t u r e of t u n g s t e n s h e e t s . T h e f i b e r t e x t u r e of d r a w n t u n g s t e n w i r e s h a s , i f s t u d i e d i n d e t a i l ,2 a c e r t a i n a s y m m e t r y w h i c h c a n be u n d e r s t o o d i f we c o n s i d e r t h e e l e c t r o m i c r o s c o p i c e v i d e n c e about t h e f i b e r - s h a p e d c r y s t a l l i t e s in t h e t u n g sten w i r e .
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