水冷温度对TC4 钛合金组织演变的影响*

康少酺; 于欢欢; 李朝华

doi:10.16080/j.issn1671-833x.2017.1/2.103

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水冷温度对TC4 钛合金组织演变的影响*

学术论文 | 更新时间：2025-10-30

- 水冷温度对TC4 钛合金组织演变的影响*
- 航空制造技术 2017年60卷第1/2期
- 作者机构：
  
  沈阳航空航天大学材料科学与工程学院,沈阳,110136
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2017.1/2.103
  中图分类号：
- 纸质出版：2017
- 稿件说明：
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康少酺，李壮，于欢欢，于涛，李朝华. 水冷温度对TC4 钛合金组织演变的影响*[J]. 航空制造技术, 2017, 60(1/2): 103-105. KANG Shaopu, LI Zhuang, YU Huanhuan, YU Tao, LI Zhaohua. Effects of Water Cooling Temperature on the Microstructural Evolution of TC4 Alloy. Aeronautical Manufacturing Technology, 2017, 60(1/2): 103-105.

KANG Shaopu, LI Zhuang, YU Huanhuan. Effects of Water Cooling Temperature on the Microstructural Evolution of TC4 Alloy[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2).
康少酺，李壮，于欢欢，于涛，李朝华. 水冷温度对TC4 钛合金组织演变的影响*[J]. 航空制造技术, 2017, 60(1/2): 103-105. KANG Shaopu, LI Zhuang, YU Huanhuan, YU Tao, LI Zhaohua. Effects of Water Cooling Temperature on the Microstructural Evolution of TC4 Alloy. Aeronautical Manufacturing Technology, 2017, 60(1/2): 103-105. DOI： 10.16080/j.issn1671-833x.2017.1/2.103.

KANG Shaopu, LI Zhuang, YU Huanhuan. Effects of Water Cooling Temperature on the Microstructural Evolution of TC4 Alloy[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2). DOI： 10.16080/j.issn1671-833x.2017.1/2.103.

摘要

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。

Abstract

Water cooling temperature affects morphologies and mechanical properties of TC4 alloy. TC4 alloy was water cooled from 3 different temperatures after solution treating. The results show that the original β-grain and α-phase were observed when the specimens were water cooled at 900℃ after solid solution. A uniformly fine-grained structure of α-phase was observed when the specimens were water cooled at 700℃. The tensile strength and hardness of specimens exhibited the maximum value (867MPa and HV5218)

respectively. More α-phases were precipitated from β-phases with decreasing water cooling temperature. The tensile strength and hardnesses of the specimens decreased due to coarse lamellar α-phase.

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