THE EFFECT OF AGEING ON SOME PROPERTIES OF THE Ni-14.5Cr-1.5Si(wt%) ALLOY

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THE EFFECT OF AGEING ON SOME PROPERTIES OF THE Ni-14.5Cr-1.5Si(wt%) ALLOY

Citation:

DENG ZHONG-MIN

Acta Phys. Sin., 1990, 39(3): 507-510.

Abstract
The effect of ageing on resistivity, thermoelectromotive power vs Pt and specific heat of the Ni-14.5Cr-1.5Si(wt%) alloy was studied. After quenching, this alloy experiences a transformation from disorder to short range order. Results showed that the resistivity inereased signifitantly by ageing, but the thermoelectromotive power and specific heat increased only slightly. X-ray diffraction analysis showed that this is caused by the formation of the δ-second phase, which is a Ni2Si compound.
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DENG ZHONG-MIN

1.
昆明贵金属研究所,昆明,650221
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