Experimental investigation on the yield loci of PA66. (May 2016)

• Record Type: Journal Article
• Authors: Jin, Tao; Zhou, Zhiwei; Shu, Xuefeng; Wang, Zhihua; Wu, Guiying; Zhao, Longmao
• Is Part Of: Polymer testing. Volume 51(2016:May)
• Page Start: 148
• Page End: 150
• Publication Date: 2016-05
• Subjects: Polymers -- Elastic properties -- Shear-compression specimen -- Yield surface -- Test method; Polymers -- Testing -- Periodicals; Polymères -- Tests -- Périodiques; 620.1920287
• DOI: 10.1016/j.polymertesting.2016.03.007
• Languages: English
• ISSNs: 0142-9418

Abstract

Abstract: Compression, tensile and mixed compression/shear tests were performed on PA66 by using a universal material testing machine in order to identify the experimental yield loci of PA66. For the mixed compression/shear tests, instead of using a complex loading device, SCS (shear-compression specimens) were used to generate the additional shear stresses. Then, the mechanical behavior of materials under complex stress states can be obtained for further analysis. Results show that the experimental yield loci of PA66 obtained by the test method proposed in the present paper agree well with the theoretical model based on three stresses invariant, which indicates the reliability of the test method.