The Microstructure of Ni-based Surface Infiltrated Layer on Cast Steel Substrate

被引：0
|
作者：
Yang, Gui-rang [1 ,2 ]
Song, Wen-ming [3 ]
Ma, Ying [1 ,2 ]
Hao, Yuan [1 ,2 ]
机构：
[1] Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China
[2] Lanzhou Univ Technol, Minist Educ, Key Lab Non Ferrous Met Alloys, Lanzhou 730050, Peoples R China
[3] Lanpec Technol Ltd, Lanzhou 730050, Peoples R China
来源：
MATERIALS AND COMPUTATIONAL MECHANICS, PTS 1-3 | 2012年 / 117-119卷
关键词：
Ni-based infiltrated layer; Vacuum infiltration casting; ZG45; Micro-structure; Micro-hardness; COMPOSITE COATINGS; WEAR-RESISTANCE;
D O I：
10.4028/www.scientific.net/AMM.117-119.1133
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Ni-based alloying powder was successfully used as the raw materials for fabricating surface infiltrated layers on cast steel ZG45 substrate through a vacuum infiltration casting technique (VICT). The microstructures of surface Ni-based infiltrated layer, the micro-hardness distribution are investigated. The infiltrated layer includes three areas that are surface part-melting area, melting completely fusion area and diffusion solid solution area. The main composition of surface infiltrated layer was intermetallic compound Cr2B, NiB and solid solution. The main phase of transition layer was solid solution. The micro-hardness of Ni-based infiltrated layer presented gradient change from surface infiltrated layer to substrate. The average micro-hardness was about 550HV.
引用
收藏
页码：1133 / +
页数：2
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