Construction of Processing Map for Biomedical Co-29Cr-6Mo-0.23C-0.14N Alloy by Using Compression Tests

Construction of Processing Map for Biomedical Co-29Cr-6Mo-0.23C-0.14N Alloy by Using Compression Tests
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利用压缩试验构建生物医用Co-29Cr-6Mo-0.23C-0.14N合金加工图

DOI:
10.2320/matertrans.m2010388
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发表时间:
2011
影响因子:
1.2
通讯作者:
A. Chiba
A. Chiba
中科院分区:
材料科学4区
文献类型:
--
作者:
Y. Yamashita;Yunping Li;H. Matsumoto;Yuichiro Koizumi;A. Chiba

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通过压缩试验研究了Co-29Cr-6Mo-0.23C-0.14N合金的高温变形行为;试验温度范围为1000-1200 (cid:1) C,应变速率范围为0.01 - 30s (cid:2) 1,高度降低约65%。基于动态材料模型,从加工图中确定了最佳热加工条件。动态再结晶发生在整个温度和应变速率范围内。当应变速率大于15 (cid:2) 1时,晶粒尺寸均匀,为最佳热加工条件。此外,作者认为在极低层错能合金中,爆炸和均匀的机械孪晶形成应被认为是稳定状态,未来需要新的加工图,更详细地描述变形机制。
The high-temperature deformation behavior of Co-29Cr-6Mo-0.23C-0.14N alloy was investigated by carrying out compression tests; the tests were carried out in the temperature range of 1000–1200 (cid:1) C and strain rates ranging from 0.01 to 30s (cid:2) 1 with a height reduction of approximately 65%. The optimum hot-working conditions were determined from the processing map based on the dynamic materials model. Dynamic recrystallization was observed to occur over the entire temperature and strain rate range. However, uniformly sized grains were formed for strain rates higher than 1s (cid:2) 1 , which is considered to be the optimum hot-working condition. In addition, authors suggested that in extremely low stacking fault energy alloy, explosive and homogeneous formation of mechanical twinning should be considered to be stable state, and new processing map with more detailed description of deformation mechanism seems necessary in future.
DOI: 10.1007/bf02664902
发表时间: 1984-01-01
期刊: METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
影响因子: --
作者:
PRASAD, YVRK;GEGEL, HL;BARKER, DR
通讯作者: BARKER, DR