Inhomogeneities of the interface produced by explosive welding

被引：18

作者：

Greenberg, B. A. ^{[1
]}

Ivanov, M. A. ^{[2
]}

Rybin, V. V. ^{[3
]}

Inozemtsev, A. V. ^{[1
]}

Antonova, O. V. ^{[1
]}

Elkina, O. A. ^{[1
]}

Patselov, A. M. ^{[1
]}

Kuz'min, S. V. ^{[4
]}

Lysak, V. I. ^{[4
]}

Kozhevnikov, V. E. ^{[5
]}

机构：

[1] Russian Acad Sci, Inst Met Phys, Ural Branch, Ekaterinburg 620990, Russia

[2] Natl Acad Sci Ukraine, Kurdyumov Inst Met Phys, UA-03680 Kiev, Ukraine

[3] State Polytech Univ, St Petersburg 195251, Russia

[4] State Tech Univ, Volgograd 400131, Russia

[5] OAO Ural Plant Chem Engn, Ekaterinburg 620010, Russia

来源：

PHYSICS OF METALS AND METALLOGRAPHY | 2012年 / 113卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

explosive welding; joint formation; transition zone; fragmentation; local melting; nanoparticles;

D O I：

10.1134/S0031918X12020056

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Results of studying structure of the transition zone for a number of joints produced by explosive welding are presented. The joints of dissimilar metals (titanium-orthorhombic titanium aluminide, coppertantalum, and others) have been investigated. The welded pairs of metals differ from each other in mutual solubility; moreover, some pairs (copper-tantalum) virtually lack it. The interface was found to be uneven; it contains inhomogeneities, irrespective of whether it is flat or wavy. It is shown that the formation of interfacial protrusions determines the adhesion of materials. A granulating fragmentation has been found near the protrusions. The role of various processes in explosive welding has been discussed. The formation of protrusions does not depend on whether the metals of a pair have mutual solubility or not. However, this factor affects the structure of zones of local melting. The metals that have mutual solubility form true solutions; in the absence of solubility, these zones represent colloidal solutions. It is shown that sometimes the local melting zones do not present a real danger for the strength of the joint. A hypothesis is proposed that the formation of a wavy surface is possible through the self-organization of the previously formed protrusions.

引用

页码：176 / 189

页数：14

共 50 条

[1] Inhomogeneities of the interface produced by explosive welding
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M. A. Ivanov
V. V. Rybin
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A. M. Patselov
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V. I. Lysak
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[2] AMPLITUDE OF INTERFACE WAVES IN EXPLOSIVE WELDING
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