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Effect of Phosphorus on the Grain Boundary Cohesion and gamma' Precipitation in IN706 alloy
Zhang, Sha; Xin, Xin; Yu, Lianxu; Zhang, Anwen; Sun, Wenru; Sun, Xiaofeng; Sun, WR (reprint author), Chinese Acad Sci, Superalloys Div, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-08-01
发表期刊METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN1073-5623
卷号47A期号:8页码:4092-4103
摘要The present paper explored the effect of P content and cooling rate on the microstructure and mechanical properties of IN706 alloy, which was related to the grain boundary cohesion and the gamma' precipitation. It was found that P was mainly dissolved in the gamma matrix of IN706 alloy when solutioned at 1463 K (1190 A degrees C), and diffused toward and segregated at grain boundaries with the drop of temperature. When dissolved in the gamma matrix, P did not influence the microhardness, tensile properties, and impact toughness of IN706 alloy. When aged after 1463 K (1190 A degrees C) solution, P increased the room-temperature yield and ultimate strength, and reduced the elongation of IN706 alloy. The results suggested that the segregation of P at the grain boundaries did not reduce the grain boundary cohesion of IN706 alloy. In addition, P facilitated the gamma' phase precipitation by reducing the mismatch lattice between gamma and gamma' phases. As a result, the strength and microhardness of IN706 alloy were enhanced when the P content was increased and the cooling rate from high temperature became smaller.
部门归属[zhang, sha ; xin, xin ; yu, lianxu ; zhang, anwen ; sun, wenru ; sun, xiaofeng] chinese acad sci, superalloys div, inst met res, 72 wenhua rd, shenyang 110016, peoples r china
学科领域Materials Science ; Metallurgy & Metallurgical Engineering
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75775
专题中国科学院金属研究所
通讯作者Sun, WR (reprint author), Chinese Acad Sci, Superalloys Div, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, Sha,Xin, Xin,Yu, Lianxu,et al. Effect of Phosphorus on the Grain Boundary Cohesion and gamma' Precipitation in IN706 alloy[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2016,47A(8):4092-4103.
APA Zhang, Sha.,Xin, Xin.,Yu, Lianxu.,Zhang, Anwen.,Sun, Wenru.,...&Sun, WR .(2016).Effect of Phosphorus on the Grain Boundary Cohesion and gamma' Precipitation in IN706 alloy.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,47A(8),4092-4103.
MLA Zhang, Sha,et al."Effect of Phosphorus on the Grain Boundary Cohesion and gamma' Precipitation in IN706 alloy".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 47A.8(2016):4092-4103.
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