Aging Precipitate of Beta Forged TC17 Titanium Alloy for Aero-Engine

DENG Yuting; LI Siqing; HUANG Xu; MI Guangbao; WANG Xu

doi:10.16080/j.issn1671-833x.2018.09.059

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Aging Precipitate of Beta Forged TC17 Titanium Alloy for Aero-Engine

更新时间：2025-10-30

- Aging Precipitate of Beta Forged TC17 Titanium Alloy for Aero-Engine
- Aeronautical Manufacturing Technology Vol. 61, Issue 9, Pages: 59-63(2018)
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- DOI：10.16080/j.issn1671-833x.2018.09.059
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- Published：2018
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邓雨亭，李四清，黄旭，弭光宝，王旭. 航空发动机用β锻TC17钛合金时效析出行为研究[J]. 航空制造技术, 2018, 61(9): 59-63，70.

DENG Yuting, LI Siqing, HUANG Xu, MI Guangbao, WANG Xu. Aging Precipitate of Beta Forged TC17 Titanium Alloy for Aero-Engine[J]. Aeronautical Manufacturing Technology, 2018, 61(9): 59-63，70.
邓雨亭，李四清，黄旭，弭光宝，王旭. 航空发动机用β锻TC17钛合金时效析出行为研究[J]. 航空制造技术, 2018, 61(9): 59-63，70. DOI： 10.16080/j.issn1671-833x.2018.09.059.

DENG Yuting, LI Siqing, HUANG Xu, MI Guangbao, WANG Xu. Aging Precipitate of Beta Forged TC17 Titanium Alloy for Aero-Engine[J]. Aeronautical Manufacturing Technology, 2018, 61(9): 59-63，70. DOI： 10.16080/j.issn1671-833x.2018.09.059.

摘要

采用扫描电子显微镜对β锻TC17钛合金的时效析出行为进行研究，并以拉伸性能和断裂韧度试验表征不同时效处理对其力学性能的影响。研究结果表明：经两相区固溶+ 不同时效温度热处理后，α相在β相基体上析出、形核、长大。随着时效温度的升高，次生α相含量逐渐降低且分布不弥散，抗拉强度线性下降，塑性升高，断裂韧度线性升高。经630℃不同保温时间的时效，短时间次生α相呈针状，随着保温时间的延长，次生α相厚度d从42nm粗化至138nm含量ω

从12.6%下降至4.5%。抗拉强度R

与次生α相厚度、含量呈R

=1.01ω

-0.95d+1274.1关系变化。次生α相的厚度降低和含量增加均能使抗拉强度提高，塑性和断裂韧度降低。

Abstract

In this paper

the current manufacturing status of aero-engine blades is taken as the research object. We made a brief overview of ECM

CNC machining

precision forging

the key technologies and measurement methods used in manufacturing of aero-engine blades. The implementation of coordinate positioning

measurement trajectory planning and noise reduction of coordinate measurement is also considered. And then we analyze the influence of laser probe installation accuracy

laser projection angle

depth of field on laser scanning measurement

which has certain guiding significance to the development of precision manufacturing and efficient testing technology of aero-engine blades.

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