Improvement properties of laser cladding Ni45-Cr3C2 coatings by adding B4C and V - 文章详情页

作者：

Liu Yingpeng (Liu Yingpeng.) | Liang Yunlong (Liang Yunlong.) | Fu Hanguang (Fu Hanguang.)

收录：

EI Scopus SCIE

摘要：

By　adding　B4C　and　vanadium　to　Ni45-Cr3C2　powder　in　a　moderate　proportion,　it　is　found　that　B4C　will　decompose　into　elements　B　and　C　during　laser　cladding,　and　the　lattice　constants　of　V　and　Cr　elements　are　similar,　which　can　form　(Cr,V)B-2　phase　with　high　hardness.　According　to　the　first　principles　calculation　of　the　hardness　of　(CR1-XVx)B,　it　can　be　seen　that　it　shows　a　trend　of　increasing　first　and　then　decreasing.　With　the　addition　of　B4C　and　vanadium,　the　mechanical　properties　of　the　composite　coating　increase.　When　the　coating　composition　is　Ni45-30Cr(3)C(2)-9B(4)C-15FeV50,　the　average　microhardness,　fracture　toughness　and　wear　resistance　of　the　composite　coating　increase　by　22.1%,　121.6%　and　54.2%,　respectively.

关键词：

Laser cladding Ni-based composite coating mechanical properties first-principles titanium alloy microstructure evolution

作者机构：

[ 1 ] [Liu Yingpeng]Beijing Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ, Beijing, Peoples R China
[ 2 ] [Liang Yunlong]Beijing Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ, Beijing, Peoples R China
[ 3 ] [Fu Hanguang]Beijing Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ, Beijing, Peoples R China

通讯作者信息：

[Fu Hanguang]Beijing Univ Technol, Sch Mat Sci & Engn, 100 Pingle Garden, Beijing 100124, Peoples R China;;

电子邮件地址：

fhg64@263.net

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