Crack initiation and growth analysis in explosively welded AA2519-AA1050-Ti6Al4V layered material in ambient and cryogenic conditions

被引：5

作者：

Boronski, Dariusz ^{[1
]}

Kotyk, Maciej ^{[1
]}

Mackowiak, Pawel ^{[1
]}

机构：

[1] UTP Univ Sci & Technol, Fac Mech Engn, Al Prof S Kaliskiego 7, PL-85791 Bydgoszcz, Poland

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2018年 / 232卷 / 08期

关键词：

Explosive welding; AA2519 aluminum alloy; Ti6Al4V titanium alloy; AA2519-AA1050-Ti6Al4V layered material; fatigue; cryogenic; CYCLE FATIGUE PROPERTIES; MECHANICAL-PROPERTIES; BIMATERIAL INTERFACE; ALUMINUM-ALLOYS; BEHAVIOR; PROPAGATION; TITANIUM; TEMPERATURES; PLASTICITY; FRACTURE;

D O I：

10.1177/0954406217741516

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The article presents the results of an analysis of the crack growth and fatigue life of CT specimens made of explosively welded AA2519-AA1050-Ti6Al4V layered material for the construction of air and space structures. The investigations were carried out for two temperature conditions: ambient temperature (293K) and under cryogenic conditions at the temperature of liquid nitrogen (77K). The analysis of the test results revealed the impact of cryogenic conditions on the process of fatigue cracking of a layered material. However, this impact is partly limited by a significant scatter of the test results, which may be caused by the different character of the process of cracking.

引用

页码：1470 / 1480

页数：11

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