基于镁合金基体的螺纹连接承载性能研究  

Research on Load-carrying Properties of Screw Connection Structure Based on Magnesium Alloy

作　　者：张超颖 孟德浩 袁文全 闫路 张忠伟[2] ZHANG Chao-ying;MENG De-hao;YUAN Wen-quan;YAN Lu;ZHANG Zhong-wei(Beijing Institute of Aerospace Systems Engineering,Beijing 100076,China;China Institute of Aerospace Standardization,Beijing 100071,China)

机构地区：[1]北京宇航系统工程研究所,北京100076 [2]中国航天标准化与产品保证研究院,北京100071

出　　处：《宇航计测技术》2018年第2期7-10,共4页Journal of Astronautic Metrology and Measurement

摘　　要：利用螺纹扭拉试验原理,针对航天用铸造镁合金螺纹连接问题,进行了螺纹紧固连接的量化研究。通过探究镁合金螺纹抗扭强度、扭拉关系和轴向承载能力,系统性的给出了镁合金螺纹的基本性能指标,对工程应用具有指导意义。Based on the theory of screw tension test,the quantization of screw connection was researched aiming in the aerospace-used cast magnesium alloy.And the basic properties of foundation feature were systematically given by testing the screw torsion strength,torsion-tension relation,axial bearing capacity and reuse performance,which had guiding significance for engineering application.

关 键 词：镁合金 螺纹 承载性能 

分 类 号：TH131[机械工程—机械制造及自动化]