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- The cruciform biaxial tensile test is an effective and practical method to realize the process of complex strain paths. 十字形双向拉伸是实现复杂加载路径有效实用的试验方法。
- Keywords sheet metal forming;FLD;forming limit stress diagram;complex strain paths; 板料成形;成形极限图;成形极限应力图;复杂应变路径;
- Keywords forming limit;limit stress;complex strain paths;cruciform specimen;biaxial tensile test; 成形极限;极限应力;复杂加载路径;十字形试件;双向拉伸试验;
- complex strain paths 复杂加载路径
- M.M.Baligh(1985),strain path Method J.Geotech,Engineering Div,ASCE(1)GT,9. 姚笑青;胡中雄.;饱和软土中沉桩引起的孔隙水压力结算[J]
- FLD is remarkabaly affected by the strain paths, which brings the inconvenience to industry. 成形极限图受应变路径的影响，给工业生产应用带来极大不便。
- Comprehensive treatment of aquariculture water pollution by flocculant and complex strain. 絮凝剂与复合菌综合处理养殖水体污染研究。
- Transformation between FLD and FLSD under different strain paths were obtained according to diffuse instability theory、groove instability theory and pl... 结果表明,对于同一失稳准则,在不同加载应变路径下FLSD几乎为同一条曲线,FLSD作为复杂加载路径板料成形极限判据更加方便。
- The author believes: the strain path leading to minimum strain energy isthat followed by instable deformation. 依板面内较小的那个主应变增量是正、是负,失稳变形的发展过程以两种不同的方式进行。
- In this paper, total plasticity was used to characterize the sum of the plasticity exhausted under every one of strain path. 提出总塑性的概念，用来表征各种应变路径下材料变形所消耗的塑性的总和。
- The formability can be increased by altering the forming strain path in the dangerous position and adjusting the lurking fracture site. 改变危险点的应变路径，调节失效破裂的位置，可有效地提高拼焊板方盒件的冲压成形性。
- Variable BHF by multiple-area control is propitious to adjust sheet flowing in the die, and then the strain path of the dangerous point can be controlled better. 通过多点控制的变压边力有利于调节板料在凹模中的流动，从而能更好地控制危险点应变路径；
- With the step BHF, the strain path is transferred from stretch-press strain state to double stretch state, and the safety margin is increased significantly. 变压边力条件下的应变路径由拉压应变状态过渡到双向拉伸应变状态，能够显著提高危险点的安全裕度；
- This project concluded that the FLSD is strain path independent and can be use as abetter criterion in sheet metal forming process, especially in the application ofmulti-stage sheet metal forming. 通过本次课题研究,证实了不同加载路径下的板料应力成形极限图接近程度良好,可以认为是与加载路径无关的,是比板料成形极限图更为合理的板料成形破坏判剧。
- Objective: Urinary tract tuberculosis is an extrapulmonary infection by Mycobacterium tuberculosis (M. tuberculosis) or the other M. tuberculosis complex strains. 摘要目的：尿路结核是由肺结核杆菌或肺结核杆菌复合群所引起的一种肺外感染。
- Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
- Some of them developed a great inferiority complex. 他们有些人养成了严重的自卑感。
- My grandmother has a complex against foreigners. 我奶奶对外国人抱有偏见。
- Life is getting more complex and difficult. 生活正在变得越来越复杂和艰难。
- He has a complex about his weight. 他过分关心自己的体重。
