Cavitation erosion resistance of heat-treated NiTi

F. T. Cheng; P. Shi; Hau Chung Man

doi:10.1016/S0921-5093(02)00162-4

Cavitation erosion resistance of heat-treated NiTi

F. T. Cheng, P. Shi, Hau Chung Man

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

36 Citations (Scopus)

Abstract

NiTi (Ti-50.8 at.% Ni) specimens were solution-treated at 1000 °C, followed by aging between 200 and 600 °C. The cavitation erosion resistance of all the aged specimens in deionized water was improved relative to the solution-treated specimen, with a maximum increase of about 8.7 times, which was achieved by aging at 500 °C. The results also indicate that both austenite and martensite contribute to the high cavitation erosion resistance of NiTi. It is also shown that a simple macro-indentation test employing a Rockwell indenter may be used for preliminary screening of heat-treated NiTi with respect to cavitation erosion resistance.

Original language	English
Pages (from-to)	312-317
Number of pages	6
Journal	Materials Science and Engineering A
Volume	339
Issue number	1-2
DOIs	https://doi.org/10.1016/S0921-5093(02)00162-4
Publication status	Published - 2 Jan 2003

Keywords

Cavitation erosion
Heat treatment
Indentation profile
NiTi
Screening test

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/S0921-5093(02)00162-4

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abstract = "NiTi (Ti-50.8 at.% Ni) specimens were solution-treated at 1000 °C, followed by aging between 200 and 600 °C. The cavitation erosion resistance of all the aged specimens in deionized water was improved relative to the solution-treated specimen, with a maximum increase of about 8.7 times, which was achieved by aging at 500 °C. The results also indicate that both austenite and martensite contribute to the high cavitation erosion resistance of NiTi. It is also shown that a simple macro-indentation test employing a Rockwell indenter may be used for preliminary screening of heat-treated NiTi with respect to cavitation erosion resistance.",

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AU - Cheng, F. T.

AU - Shi, P.

AU - Man, Hau Chung

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N2 - NiTi (Ti-50.8 at.% Ni) specimens were solution-treated at 1000 °C, followed by aging between 200 and 600 °C. The cavitation erosion resistance of all the aged specimens in deionized water was improved relative to the solution-treated specimen, with a maximum increase of about 8.7 times, which was achieved by aging at 500 °C. The results also indicate that both austenite and martensite contribute to the high cavitation erosion resistance of NiTi. It is also shown that a simple macro-indentation test employing a Rockwell indenter may be used for preliminary screening of heat-treated NiTi with respect to cavitation erosion resistance.

AB - NiTi (Ti-50.8 at.% Ni) specimens were solution-treated at 1000 °C, followed by aging between 200 and 600 °C. The cavitation erosion resistance of all the aged specimens in deionized water was improved relative to the solution-treated specimen, with a maximum increase of about 8.7 times, which was achieved by aging at 500 °C. The results also indicate that both austenite and martensite contribute to the high cavitation erosion resistance of NiTi. It is also shown that a simple macro-indentation test employing a Rockwell indenter may be used for preliminary screening of heat-treated NiTi with respect to cavitation erosion resistance.

KW - Cavitation erosion

KW - Heat treatment

KW - Indentation profile

KW - NiTi

KW - Screening test

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DO - 10.1016/S0921-5093(02)00162-4

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EP - 317

JO - Materials Science and Engineering A

JF - Materials Science and Engineering A

IS - 1-2

ER -

Cavitation erosion resistance of heat-treated NiTi

Abstract

Keywords

ASJC Scopus subject areas

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