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Effects of Water Cooling Temperature on the Microstructural Evolution of TC4 Alloy
Author(s): KANG Shaopu, LI Zhuang, YU Huanhuan, YU Tao, LI Zhaohua
Pages: 103-
105
Year: 2017
Issue:
1
Journal: Aeronautical Manufacturing Technology
Keyword: TC4 alloy; Water cooling temperature; Phases; Mechanical properties;
Abstract: 水冷温度影响TC4钛合金的组织形态与力学性能的变化.TC4钛合金固溶后缓慢冷却到3种不同温度.水冷后组织形态与力学性能的变化结果表明:当由900℃开始水冷时,α相在晶界形核,原始的β晶粒出现;当温度继续降低达700℃然后再水冷时,析出α相相对均匀细小,试样抗拉强度和硬度分别达到了最高值867MPa和HV5218;随着冷却温度的继续下降,β相逐渐析出α相,水冷温度越低,α相呈现为粗大的片层状,试样强度和硬度降低.
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