Effect of Sb on physical properties and microstructures of laser nano/amorphous-composite film

被引：12

作者：

Li, Jia-Ning ^{[1
,2
,3
]}

Gong, Shui-Li ^{[1
,2
]}

Sun, Mei ^{[1
,2
]}

Shan, Fei-Hu ^{[1
,2
]}

Wang, Xi-Chang ^{[1
,2
]}

Jiang, Shuai ^{[1
,2
,4
]}

机构：

[1] Sci & Technol Power Beam Proc Lab, Beijing, Peoples R China

[2] Beijing Aeronaut Mfg Technol Res Inst, Beijing 100024, Peoples R China

[3] Aviat Ind Corp China, Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China

[4] China Univ Petr, Dept Mat Sci & Engn, Qingdao 266580, Peoples R China

来源：

PHYSICA B-CONDENSED MATTER | 2013年 / 428卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Laser cladding; Amorphous; Coating; Nanomaterial; METALLIC-GLASS; WEAR-RESISTANCE; ZR; SURFACE; CRYSTALLINE; COATINGS; BEHAVIOR; ALLOY; TEMPERATURE; CU;

D O I：

10.1016/j.physb.2013.07.018

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A nano/amorphous-composite film was fabricated by laser cladding (LC) of the Co-Ti-B4C-Sb mixed powders on a TA15 alloy. Such film mainly consisted of Ti-Al, Co-Ti, Co-Sb intermetallics, TiC, TiB2, TiB, and the amorphous phases. Experimental results indicated that the crystal systems of TiB2 (hexagonal)/TiC (cubic) and Sb (rhombohedral) played important role on the formation of such film. Due to the mismatch of these crystals systems and mutual immiscibility of the metallic components, Sb was not incorporated in TiB2/TiC, but formed separate nuclei during the film growth. Thus, the growth of TiB2/TiC was stopped by the Sb nucleus in such LC molten pool, so as to form the nanoscale particles. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：73 / 77

页数：5

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