| Ni在WC合成过程中加速效应机理的研究 |
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| 引用本文： | 贾德林,;巴爱叶,;任云鹏. Ni在WC合成过程中加速效应机理的研究[J]. 珠宝科技, 2008, 0(3): 23-26 |
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| 作者姓名： | 贾德林, 巴爱叶, 任云鹏 |
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| 作者单位： | [1]东营市锅炉压力容器检验所,山东东营257091; [2]中国石油大学材料系,山东东营257061 |
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| 摘 要： | 以W—C体系为研究出发点，高能球磨W、活性C和Ni的混合粉末，应用XRD、SEM、化学分析等手段，对球磨产物进行分析。结果发现，在机械合金化合成WC的过程中，Ni能有效的缩短反应时间，捉高反应速率；原因是，在Ni的周围形成了以Ni为中心的微聚团，增大了W和C的接触机率和接触面积，缩短了扩散距离，从而缩短了反应时间。
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| 关 键 词： | 机械合金化 WC合成 加速效应 Ni |
Mechanism of acceleration effect of Ni in WC synthesizing process |
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| Affiliation: | JIA De-lin, BA Ai-ye, REN Yun-peng (1. Dongying Boiler Pressure Vessel Inspection Institute, Dongying, Shandong 267091, China; 2, Materials Department of China Oil University,Dongying,Shandong 257061 ,China) |
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| Abstract: | Ball milling product was analyzed applying XRD.SEM and chemical assay aimed at WC system with mixed high energy ball milling W, active C and Ni power. The result shows that Ni can reduce reaction time actively during WC synthesizing process by mechanical alloying and improve reaction velocity because of the formation of micro agglomerate centered at Ni, enlarged contact probability and area between W and C, reduced dispersal distance, therefore reduced reaction time. |
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| Keywords: | mechanical alloying WC synthesis acceleration effect Ni |
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