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Trans. Nonferrous Met. Soc. China 31(2021) 1217-1234 A unified constitutive model for multiphase precipitation and multi-stage creep ageing behavior of Al-Li-S4 alloy He LI1, Li-hua ZHAN1,2,3, Ming-hui HUANG1,2,3, Xing ZHAO1,2,3, Chang ZHOU2, Li-bin HU2, Zheng-gen HU2,4, De-bo LIU4 1. Light Alloy Re......
and binder into a 250 mL beaker and mixing well, it was slowly poured into the thermostat’s aqueous solution whilst being slowly stirred with a glass rod. Then the materials was stirred for 5 min...: 10.1016/j.jnnfm.2016.01.002. [46] SAAK A W, JENNINGS H M, SHAH S P. A generalized approach for the determination of yield stress by slump and slump flow [J]. Cement and Concrete Research, 2004, 34(3): 363-371......
plate/disc-or rod/needle-shaped precipitates[J]. Materials Science and Engineering A, 2003, 344(1/2): 113-124. [12] Steglich D, Brocks W, Heerens J, et al. Anisotropic ductile fracture of Al 2024...截取尺寸为120 mm×120 mm×50 mm的试块进行残余应力测试.采用裂纹柔度法测试的残余应力结果如图18所示,经过预拉伸后,残余应力沿厚度方向的分布保持了淬火残余应力的基本特征,即表面为压应力心部为拉应力,轧向和横向列余应力均由初始的拱形演变为"W"型分布.总体来看,经过变形量为1.8%~2.5%的预拉伸后,测试块内的残余应力已降低至20 MPa左右. 高强铝合金板材,型材淬火后进行预拉伸......
