Fretting wear behavior of laser surface melted NiTi shape memory alloy

Chunhua Zhang; Zhuo Zhang; Song Zhang; Zhong Han; Hau Chung Man

Fretting wear behavior of laser surface melted NiTi shape memory alloy

Chunhua Zhang, Zhuo Zhang, Song Zhang, Zhong Han, Hau Chung Man

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

Laser surface melting (LSM) on the surface of Ni-Ti shape memory alloy (SMA) was fabricated with a continuous wave Nd-YAG laser. The fretting behavior of NiTi LSM layer was investigated with a SRV III friction and wear tester. The surface morphologies and die component of wear debris were analysed by scanning electron microscopy (SEM) and energy dispersive spectroscope (EDS). The wear depth was measured with a surface profiler, and die wear volume was also calculated. The results show that the friction coefficient and the wear volume of NiTi LSM are lower than those of NiTi alloy, laser surface melting improves the fretting wear resistance of NiTi alloy, the fretting wear mechanism of NiTi alloy is mainly grain abrasive and oxidation, and the fretting wear mechanism of NiTi LSM is fatigue flake mechanism and grain abrasive.

Original language	Chinese (Simplified)
Journal	Hanjie Xuebao/Transactions of the China Welding Institution
Volume	29
Issue number	7
Publication status	Published - 1 Jul 2008

Keywords

Fretting wear
Laser surface melting
NiTi shape memory alloy
Wear mechanism

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering

Cite this

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title = "Fretting wear behavior of laser surface melted NiTi shape memory alloy",

abstract = "Laser surface melting (LSM) on the surface of Ni-Ti shape memory alloy (SMA) was fabricated with a continuous wave Nd-YAG laser. The fretting behavior of NiTi LSM layer was investigated with a SRV III friction and wear tester. The surface morphologies and die component of wear debris were analysed by scanning electron microscopy (SEM) and energy dispersive spectroscope (EDS). The wear depth was measured with a surface profiler, and die wear volume was also calculated. The results show that the friction coefficient and the wear volume of NiTi LSM are lower than those of NiTi alloy, laser surface melting improves the fretting wear resistance of NiTi alloy, the fretting wear mechanism of NiTi alloy is mainly grain abrasive and oxidation, and the fretting wear mechanism of NiTi LSM is fatigue flake mechanism and grain abrasive.",

keywords = "Fretting wear, Laser surface melting, NiTi shape memory alloy, Wear mechanism",

author = "Chunhua Zhang and Zhuo Zhang and Song Zhang and Zhong Han and Man, {Hau Chung}",

year = "2008",

month = jul,

day = "1",

language = "Chinese (Simplified)",

volume = "29",

journal = "Hanjie Xuebao/Transactions of the China Welding Institution",

issn = "0253-360X",

publisher = "Harbin Research Institute of Welding",

number = "7",

}

TY - JOUR

T1 - Fretting wear behavior of laser surface melted NiTi shape memory alloy

AU - Zhang, Chunhua

AU - Zhang, Zhuo

AU - Zhang, Song

AU - Han, Zhong

AU - Man, Hau Chung

PY - 2008/7/1

Y1 - 2008/7/1

N2 - Laser surface melting (LSM) on the surface of Ni-Ti shape memory alloy (SMA) was fabricated with a continuous wave Nd-YAG laser. The fretting behavior of NiTi LSM layer was investigated with a SRV III friction and wear tester. The surface morphologies and die component of wear debris were analysed by scanning electron microscopy (SEM) and energy dispersive spectroscope (EDS). The wear depth was measured with a surface profiler, and die wear volume was also calculated. The results show that the friction coefficient and the wear volume of NiTi LSM are lower than those of NiTi alloy, laser surface melting improves the fretting wear resistance of NiTi alloy, the fretting wear mechanism of NiTi alloy is mainly grain abrasive and oxidation, and the fretting wear mechanism of NiTi LSM is fatigue flake mechanism and grain abrasive.

AB - Laser surface melting (LSM) on the surface of Ni-Ti shape memory alloy (SMA) was fabricated with a continuous wave Nd-YAG laser. The fretting behavior of NiTi LSM layer was investigated with a SRV III friction and wear tester. The surface morphologies and die component of wear debris were analysed by scanning electron microscopy (SEM) and energy dispersive spectroscope (EDS). The wear depth was measured with a surface profiler, and die wear volume was also calculated. The results show that the friction coefficient and the wear volume of NiTi LSM are lower than those of NiTi alloy, laser surface melting improves the fretting wear resistance of NiTi alloy, the fretting wear mechanism of NiTi alloy is mainly grain abrasive and oxidation, and the fretting wear mechanism of NiTi LSM is fatigue flake mechanism and grain abrasive.

KW - Fretting wear

KW - Laser surface melting

KW - NiTi shape memory alloy

KW - Wear mechanism

UR - http://www.scopus.com/inward/record.url?scp=50049118101&partnerID=8YFLogxK

M3 - Journal article

VL - 29

JO - Hanjie Xuebao/Transactions of the China Welding Institution

JF - Hanjie Xuebao/Transactions of the China Welding Institution

SN - 0253-360X

IS - 7

ER -

Fretting wear behavior of laser surface melted NiTi shape memory alloy

Abstract

Keywords

ASJC Scopus subject areas

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