航空形状记忆合金永久连接钛管连接件性能评价技术及试验研究  

Research on Performance Evaluation Technology and Experiment of SMA Permanent Joints with Titanium Alloy Tubing

作　　者：郭浩然[1] 张宗华[1] 隋明丽[1] 黄自力 蒋红岩 GUO Haoran;ZHANG Zonghua;SUI Mingli;HUANG Zili;JIANG Hongyan(China Aero-Polytechnology Establishment,Beijing 100028,China;AVIC Jincheng Nanjing Engineering Institute of Aircraft System,Nanjing Jiangsu 211106,China)

机构地区：[1]中国航空综合技术研究所,北京100028 [2]中国航空工业集团公司金城南京机电液压工程研究中心,江苏南京211106

出　　处：《机床与液压》2021年第12期41-46,共6页Machine Tool & Hydraulics

基　　金：民机项目(MJ-2016-G-64)。

摘　　要：形状记忆合金永久连接管路件已大量应用于国外航空航天流体系统中,国内已开展相应的研究和应用工作,但相关考核评价标准匮乏。调研了形状记忆合金永久连接技术及其应用现状;通过分析形状记忆合金永久连接钛管连接件服役工况和结构特点,提出包含静态性能考核、动态性能考核和环境性能考核的性能评价技术及方法;给出试验判定依据及试验接口的设计要求,并对典型件性能进行试验评价。该研究为国内相关产品考核评价提供参考。Shape memory alloy(SMA)permanent joints are largely used in aerospace fluid systems abroad.The corresponding research and application work has been carried out in China,but the relevant evaluation standards are deficient.The permanent connection technology of the SMA and its application status were investigated;by analyzing the service conditions and structural characteristics of the SMA joints titanium pipe connectors,the performance evaluation technology and method including static performance evaluation,dynamic performance evaluation and environmental performance evaluation were proposed;the test judgment basis and the design requirements of the test interface were given,and the performance of typical part was evaluated.This study provides reference for related product evaluation in China.

关 键 词：形状记忆合金 永久连接件 钛合金管路件 管路连接件 评价技术 

分 类 号：TH137[机械工程—机械制造及自动化]