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AA2519-AA1050-Ti6Al4V层状材料应力强度因子K的最大实验值解析模型

Analytic Model of Maximal Experimental Value of Stress Intensity Factor K for AA2519-AA1050-Ti6Al4V Layered Material.

作者信息

Kotyk Maciej

机构信息

Faculty of Mechanical Engineering, University of Science and Technology in Bydgoszcz, 85-796 Bydgoszcz, Poland.

出版信息

Materials (Basel). 2020 Oct 6;13(19):4439. doi: 10.3390/ma13194439.

DOI:10.3390/ma13194439
PMID:33036246
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7579026/
Abstract

The article presents the results of the author's tests involving the determination of the maximal experimental value of the stress intensity factor K. This value was determined for a layered material obtained as the result of explosive welding of three alloys: AA2519, Ti6Al4V and AA1050, and separately for each material. In both cases tests were conducted for two temperatures-the ambient temperature (293 K), and cryogenic temperature (77 K). A model for initial assessment of the K value of AA2519-AA1050-Ti6Al4V (Al-Ti) layered material has also been presented. The proposed model has been developed so as to enable the determination of the curve course of load-COD for Al-Ti layered material using nominal stresses defined on the basis of a real load-COD course, obtained for the base materials, for both temperature conditions.

摘要

本文介绍了作者关于确定应力强度因子K的最大实验值的测试结果。该值是针对通过三种合金（AA2519、Ti6Al4V和AA1050）爆炸焊接得到的层状材料测定的，并且是分别针对每种材料进行测定的。在这两种情况下，均在两个温度下进行测试——环境温度（293K）和低温温度（77K）。还提出了一种用于初步评估AA2519-AA1050-Ti6Al4V（铝-钛）层状材料K值的模型。所提出的模型经过开发，以便能够根据在两种温度条件下从母材获得的实际载荷-COD曲线所定义的名义应力，确定铝-钛层状材料的载荷-COD曲线走势。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ecb/7579026/8a65a94c4752/materials-13-04439-g019.jpg
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本文引用的文献

1
Investigation of the Fracture Process of Explosively Welded AA2519-AA1050-Ti6Al4V Layered Material.爆炸焊接AA2519-AA1050-Ti6Al4V层状材料断裂过程的研究
Materials (Basel). 2020 May 13;13(10):2226. doi: 10.3390/ma13102226.