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摘要:
The formation of deformation and recrystallization textures has been investigated in a Ni7W alloy after heavy cold rolling and subsequent annealing at different temperatures. Cold rolling to a von Mises strain of 4.17 produced a mix of rolling texture that lies between classical brass- and copper-type rolling textures, with the fraction of S({123}< 634 >), brass({110}< 112 >), and copper({112}< 111 >) orientations being 33, 28, and 13%, respectively. The fraction of rolling texture for the deformed Ni7W alloy samples increased slightly during recovery, was then consumed significantly during recrystallization, and dropped to 22% after being annealed at 800 degrees C for 1 h. The fraction of cube({001}< 100 >) orientation increased to 26% after primary recrystallization, whereas other random orientations of 43% formed in the Ni7W alloy samples. Further annealing promoted cube grain growth, which lead to a significant strengthening of the cube texture and to a significant loss in high angle boundary (HAB). The fractions of cube texture and HAB of the Ni7W alloy substrate were 92.1 and 27.8%, respectively, after annealing at 1200 degrees C for 1 h.
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来源 :
JOURNAL OF MATERIALS RESEARCH
ISSN: 0884-2914
年份: 2015
期: 10
卷: 30
页码: 1686-1692
2 . 7 0 0
JCR@2022
ESI学科: MATERIALS SCIENCE;
ESI高被引阀值:224
JCR分区:3
中科院分区:4