Underwater explosive compaction-sintering of tungsten-copper coating on a copper surface

被引：4

作者：

Chen, Xiang ^{[1
]}

Li, Xiaojie ^{[1
,2
]}

Yan, Honghao ^{[1
]}

Wang, Xiaohong ^{[1
]}

Chen, Saiwei ^{[1
]}

机构：

[1] Dalian Univ Technol, Dept Engn Mech, Dalian 116024, Liaoning, Peoples R China

[2] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

来源：

HIGH PRESSURE RESEARCH | 2018年 / 38卷 / 01期

基金：

美国国家科学基金会;

关键词：

Tungsten-copper composite; underwater explosive compaction-sintering; bonding strength; copper matrix composite; W-CU COMPOSITE; POWDERS; NANOCOMPOSITES; CONSOLIDATION; ALLOYS;

D O I：

10.1080/08957959.2017.1413366

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This study investigated underwater explosive compaction-sintering for coating a high-density tungsten-copper composite on a copper surface. First, 50% W-50% Cu tungsten-copper composite powder was prepared by mechanical alloying. The composite powder was pre-compacted and sintered by hydrogen. Underwater explosive compaction was carried out. Finally, a high-density tungsten-copper coating was obtained by diffusion sintering of the specimen after explosive compaction. A simulation of the underwater explosive compaction process showed that the peak value of the pressure in the coating was between 3.0 and 4.8 GPa. The hardness values of the tungsten-copper layer and the copper substrate were in the range of 87-133 and 49 HV, respectively. The bonding strength between the coating and the substrate was approximately 100-105 MPa.

引用

页码：41 / 52

页数：12

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