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| SELECTIVE OXIDATION AND THERMAL STABILITY OF Ni-Zr AMORPHOUS ALLOYS |
| by LIU Zuoquan; ZOU Gang; ZHONG Jiaxue; LI Dexiu (Yunnan University; Kunming)(Manuscript received 2 June; 1985; revised manuscript 3 January; 1985) |
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Cite this article:
by LIU Zuoquan; ZOU Gang; ZHONG Jiaxue; LI Dexiu (Yunnan University; Kunming)(Manuscript received 2 June; 1985; revised manuscript 3 January; 1985). SELECTIVE OXIDATION AND THERMAL STABILITY OF Ni-Zr AMORPHOUS ALLOYS. Acta Metall Sin, 1987, 23(5): 464-467.
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Abstract Oxidation and crystallization behaviours of three Ni-Zr amorphous alloys have been studied during isothermal annealing at the temperatures below their crystallization temperature by means of electrical resistance measurement, differential scanning calorimetery and X-ray diffraction. Selective oxidation of Zr has been found in these alloys. As a consequent, it increase the thermal stability of surface layer constructed by Ni_(37)Zr_(63) but decreases that constructed by Ni_(65)Zr_(35). The reason of this effect has also been discussed.
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Received: 18 May 1987
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1 徐国枢,王佩军,张树波,李德修.云南大学学报,1981;(1) :35
2 Chen H S. Rep Prog Phys, 1980; 43: 353
3 Charlesby A. Acta Metall, 1953; 1: 340
4 Altounian Z, Tu Guo-hua, Strom-Olsen J O. J Appl Phys, 1983; 54 (6) : 3111 |
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