The effect of intermediate thermomechanical treatments on the fatigue properties of a 7050 aluminum alloy
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The Effect of Intermediate Thermomechanical Treatments on the Fatigue Properties of a 7050 Aluminum Alloy R. E. SANDERS, J r . AND E. A. STARKE, J r . A study was u n d e r t a k e n to d e t e r m i n e the e f f e c t of m i c r o s t r u c t u r e s p r o d u c e d by d i f f e r e n t ingot p r o c e s s i n g t e c h n i q u e s on the fatigue p r o p e r t i e s of a 7050 a l u m i n u m alloy. Th e diff e r e n t m i c r o s t r u c t u r e s i n v e s t i g a t e d w e r e p r o d u c e d by h o t - r o l l i n g to s i m u l a t e c o m m e r c i a l p r o c e s s i n g (CP) m e t h o d s or i n t e r m e d i a t e t h e r m o m e c h a n i c a l t r e a t m e n t s (ITMT). C h a r a c t e r i z a t i o n of the m i c r o s t r u c t u r e s r e v e a l e d that the C P 7050 m a t e r i a l was p a r t i a l l y r e c r y s t a l l i z e d (
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