共查询到20条相似文献,搜索用时 46 毫秒
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预弥散强化镍粉——硬质合金的新型粘结剂 总被引:5,自引:0,他引:5
叙述了以预弥散有纳米Al2O3的镍粉代替钴粉作粘结剂以提高WCNi硬质合金性能方面的初步研究;制得的WCNi硬质合金的物理机械性能可达到WCCo合金的水平 相似文献
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从废钼合金催化剂中提取钼等有价元素方法的研究 总被引:2,自引:2,他引:0
MoCoNi合金料首先氧化焙烧碱浸出,滤饼再加纯碱焙烧水浸出使钼与钴镍分离,最后用萃取法分离钴镍的工艺流程,对废钼合金催化剂进行了综合回收。采用该工艺流程和生产线分别生产出合格的工业级钼酸钠、氧化钴和氧化镍。 相似文献
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涤纶切断刀用WC—20%(Fe—Co—Ni)硬质合金研究 总被引:5,自引:0,他引:5
对用富铁高粘结剂的YF20硬质合金WC20%(FeCoNi)做涤纶切断刀进行了研究,结果表明:YF20硬质合金的物理力学性能已接近或达到YG20硬质合金水平,获得了满意的结果。 相似文献
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Ni基超合金alloy706添加多种合金元素材料,具有很好的高温特性,但在铸锭时易产生偏析对性能有影响。日本制钢所建立起VIM(真空感应熔炼)+ESR(电渣重熔)双联熔炼法。对ESR条件进行了研究,已生产出Φ650mm圆钢锭,该合金成分(%):0.009C0.01Si0.02Mn41-69Ni15.79Cr1.70Ti0.21Al0.0031B3.02(Nb+Ta)。为防止中心偏析,在ESR中研究了熔化速度及其稳定性、渣组成和渣量、电极浸渍深度等。为确保钢锭对通电同轴性,对电接触… 相似文献
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粉末颗粒对Fe-Ni-Mo磁粉芯性能的影响 总被引:2,自引:0,他引:2
研究了磁粉芯的形貌和组织结构。利用光镜和扫描电镜对FeNiMo合金粉末及其制品进行观察分析,发现气雾化球形粉末有利于绝缘处理;在压制中颗粒变形;由一定粒度配比的α固溶体合金颗粒构成的磁粉芯具有其特有的磁性能。 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正On September 14,the reporter learnt from the Seminar on Application of New Rare Earth High-iron Aluminum Alloy Cable Technologies for Energy Conservation and Environmental Protection held by Chongqing Electric Industry Association that a rare earth high-iron aluminum alloy cable company with 相似文献
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《China Nonferrous Metals Monthly》2014,(11)
正According to news from Beijing on October 10,the Recycling Metal Branch of China Nonferrous Metals Industry Association said that in the first three quarters of 2014,China’s total output of secondary nonferrous metals(copper,aluminum,lead,zinc)was 7.37million tonnes,recording a slight increase of 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正The recent period has witnessed heated discussion on resource tax reform as a hot spot topic in the industry.Some information sources disclosed that the resource tax reform of the nonferrous metal industry would be enforced next year in the latest,the levy method will be changed from quantity-based levy to pricebased levy. 相似文献
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《China Nonferrous Metals Monthly》2014,(11)
正On October 19,the Shanxi Province Pinglu County Phase I 800,000t/a Aluminum Oxide Project of Shanxi Fusheng Aluminum Co.,Ltd,a subordinate of Hangzhou Jinjiang Group,started operation.This is the fourth Aluminum oxide project constructed and operated by Jinjiang Group. 相似文献
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《China Nonferrous Metals Monthly》2014,(11):2-5
正When eight ministries and commissions jointly issued decrees to rectify rectification the rare earth industry,and cracked down on"illegal rare earth",enterprises inside the industry are also developing joint union and coalition to usurp resources.In the evening of October 13,Hongda Xingye published public notice,saying that it planned 相似文献
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正In early May,the 300,000 t/a Low Oxidizing Copper Rod Project of Hubei Daye Nonferrous Metals Co.,Ltd("Daye Nonferrous Metals")started production.As the first copper deep processing project independently invested and constructed by Daye Nonferrous Metals,this project can fully utilize its cathode copper raw material advantage to manufacture low oxidizing copper 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正From August to September,the Chinese Entrepreneur Survey System organized and implemented"Chinese Entrepreneur Questionnaire Follow-up Survey 2014".This marked the 22nd time of national entrepreneur annual follow-up survey organized by this 相似文献
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正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field, 相似文献