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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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用流态化工艺制备WC-Co粉末
, PP. 144-146
Keywords: WC－Co,流态化,超细晶粒,硬质合金
Abstract:
用偏钨酸铵和硝酸钴原料喷雾干燥制成ＣｏＷＯ４／ＷＯ３复合粉末,用流态化反应炉使之在Ｈ２和ＣＨ４／Ｈ２气相中连续还原碳化成ＷＣ－Ｃｏ粉末,着重研究了不同还原碳化工艺及其产物的形成机理.测试结果表明,所制ＣｏＷＯ４／ＷＯ３复合粉末呈均匀球形的非晶和微晶混合态,ＷＣ－Ｃｏ粉末的晶粒细小均匀、相纯度高,适于制备超细晶粒的ＷＣ－Ｃｏ硬质合金.
| [1] | Yao Z G, Stiglich J J, Sudarshan T S. Met Powder Rep, 1998,2: 32
|
| [2] | Yao Z G, Stiglich J J, Sudarshan T S. Met Powder Rep, 1998;3: 26
|
| [3] | Takatsu S. Powder Metall Int, 1978; 10(1): 13
|
| [4] | Asada N, Yamamoto Y, Shimatani K, Honkawa S. Met Pow-der Rep, 1990; 45: 60
|
| [5] | McCandlish L E, Kear B H, Bhatia S. US Pat 5 352 269,1994
|
| [6] | Wei M K, Zhang H L, Wang Z, Mao J Y. Chin Pat ZL93108446.6, 1995 (魏明坤,张汉林,王柱,毛京元.中国发明专利ZL 93108446.6, 1995)
|
| [7] | Schubert W D. Refract Met Hard Mater, 1990; 12: 178
|
| [8] | Gortsema F P, Kotval P S. Planseeber Pulvermetall, 1976;24: 254
|
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