STUDY ON THE OXIDATION KINETICS OF WS_2 IN OPEN AIR

Acta Metall Sin

1996, Vol. 32

Issue (2): 187-190 DOI:

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STUDY ON THE OXIDATION KINETICS OF WS_2 IN OPEN AIR

XING Pengfei; ZHAI Yuchun; TIAN Yanwen; GENG Yan; CHEN Feng(Northeastern University; Shenyang 110006)(Manuscript received 1995-04-24; in revised form 1995-10-16)

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XING Pengfei; ZHAI Yuchun; TIAN Yanwen; GENG Yan; CHEN Feng(Northeastern University; Shenyang 110006)(Manuscript received 1995-04-24; in revised form 1995-10-16). STUDY ON THE OXIDATION KINETICS OF WS_2 IN OPEN AIR. Acta Metall Sin, 1996, 32(2): 187-190.

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Abstract The DTA and XRD techniques were employed to study the oxidation process of highly pure WS_2. The activation energy, 100.l kJ / mol, and the orders of oxidation reaction, 0.80,have been obtained according to Doyle-Ozawa and Kissinger methods.The oxidation reaction occurs mainly in steps of:WS_2→W_3O→WO_2→W_(18)O_(49)→WO_(2.9)→WO_3(Correspondent: XING Pengfei, Department of Non-Ferrous Metallurgy, Northeastern University, Shenyang 110006)

Key words: WS_2 oxidation kinetics DTA XRD

Received: 18 February 1996

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1996/V32/I2/187

1津谷裕子,北村守:润滑.1974．19．8432JonesJK,GardosM.LubEng,1973:29:473邢鹏飞,翟玉春,田彦文.化工冶金.1995:16:2194OzawaT,BullChemSocJpn．1965;38:18815DoyleCD,JapplPolymerSci,1965;5:2886KissingerHE.JResNatBurStand,1965;57:2177KissingerHE.AnalChem,1957;29:1702

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