形状记忆合金热机械稳定性测试仪的研制  

Development of Thermo-Mechamical Stability Tester for Shape Memory Alloys

作　　者：耿殿奇[1] 裴新才[1] 邓炬[1] 杨冠军[1] 

机构地区：[1]东北大学,西北有色金属研究院

出　　处：《稀有金属材料与工程》1994年第6期65-69,共5页Rare Metal Materials and Engineering

摘　　要：介绍了形状记忆合金热机械稳定性测试仪研制中的有关问题。包括环境温度、应力大小、响应时间和功率的确定以及整机的硬件、软件系统。该装置的冷热循环温度范围：－１５０℃～＋１２０℃，形变次数计算范围１～９９９９，最大载荷２０ｋｇ，最大位移５０ｍｍ，位移测量精度为±０．１ｍｍ。用该仪器记录的曲线可用来研究合金记忆性能的变化、临界负荷及使用寿命等评价记忆合金特性的实用参数。This paper introduces some relevant problem, in developing of thermo-mechanical stability tester for shape memory alloys, which are environment tern perature, stress, responding time and power, and hard ware and software system of the tester, The main technical parameters of the tester are designed as follows:(a)temperature range of thermal cycling:-150￣120℃,(b)max. load: 20kg,(c)max. displacement: 50mm,(d)displacement accuracy:±0.1mm, and (e)max. number of continuous thermal cycling: 1￣9999. The curves recorded by the tester can be used for studying shape memory characteristics, critical load and service lifetime of shape memory alloy elements.

关 键 词：测试仪 热机械稳定性 形状记忆合金 

分 类 号：TH82[机械工程—仪器科学与技术] TG139.6[机械工程—精密仪器及机械]