Effect of aging on the phase transformation and mechanical behavior of Ti36Ni49Hf15 high temperature shape memory alloy

X. L. Meng; Y. F. Zheng; Z. Wang; L. C. Zhao

doi:10.1016/S1359-6462(99)00347-4

Effect of aging on the phase transformation and mechanical behavior of Ti₃₆Ni₄₉Hf₁₅ high temperature shape memory alloy

X. L. Meng^*
, Y. F. Zheng
, Z. Wang
, L. C. Zhao

^*Corresponding author for this work

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

95 Scopus citations

Abstract

The microstructure, transformation temperature, mechanical properties and shape memory effects for Ti₃₆Ni₄₉Hf₁₅ alloy aged at 973 K were investigated as a function of time by transmission electron microscopy, X-ray diffraction analysis, electrical resistance-temperature measurement, and bending and tensile tests. The transformation temperatures of the alloy decreased rapidly with prolonged aging time at first, and then remained constant as the aging time was increased. The yield strength reached the maximum when the alloy was aged at 973 K for about 20 hours.

Original language	English
Pages (from-to)	341-348
Number of pages	8
Journal	Scripta Materialia
Volume	42
Issue number	4
DOIs	https://doi.org/10.1016/S1359-6462(99)00347-4
State	Published - 31 Jan 2000
Externally published	Yes

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title = "Effect of aging on the phase transformation and mechanical behavior of Ti36Ni49Hf15 high temperature shape memory alloy",

abstract = "The microstructure, transformation temperature, mechanical properties and shape memory effects for Ti36Ni49Hf15 alloy aged at 973 K were investigated as a function of time by transmission electron microscopy, X-ray diffraction analysis, electrical resistance-temperature measurement, and bending and tensile tests. The transformation temperatures of the alloy decreased rapidly with prolonged aging time at first, and then remained constant as the aging time was increased. The yield strength reached the maximum when the alloy was aged at 973 K for about 20 hours.",

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AU - Meng, X. L.

AU - Zheng, Y. F.

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AU - Zhao, L. C.

PY - 2000/1/31

Y1 - 2000/1/31

N2 - The microstructure, transformation temperature, mechanical properties and shape memory effects for Ti36Ni49Hf15 alloy aged at 973 K were investigated as a function of time by transmission electron microscopy, X-ray diffraction analysis, electrical resistance-temperature measurement, and bending and tensile tests. The transformation temperatures of the alloy decreased rapidly with prolonged aging time at first, and then remained constant as the aging time was increased. The yield strength reached the maximum when the alloy was aged at 973 K for about 20 hours.

AB - The microstructure, transformation temperature, mechanical properties and shape memory effects for Ti36Ni49Hf15 alloy aged at 973 K were investigated as a function of time by transmission electron microscopy, X-ray diffraction analysis, electrical resistance-temperature measurement, and bending and tensile tests. The transformation temperatures of the alloy decreased rapidly with prolonged aging time at first, and then remained constant as the aging time was increased. The yield strength reached the maximum when the alloy was aged at 973 K for about 20 hours.

UR - https://www.scopus.com/pages/publications/0033897060

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DO - 10.1016/S1359-6462(99)00347-4

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Effect of aging on the phase transformation and mechanical behavior of Ti₃₆Ni₄₉Hf₁₅ high temperature shape memory alloy

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