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Effect of Sr2+ and Dy3+ co-doping on coloration and temperature stabilization of a γ-Ce2S3 red pigmentYueming Li,Qi Liu,Fusheng Song,Zhumei Wang,Zongyang Shen,Yan HongNational Light Industry Key Laboratory of Functional Ceramic Materials,Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province,School of Materials Science and Engineering,Jingdezhen Ceramic......
Effect of Sr2+ and Dy3+ co-doping on coloration and temperature stabilization of a γ-Ce2S3 red pigmentYueming Li,Qi Liu,Fusheng Song,Zhumei Wang,Zongyang Shen,Yan HongNational Light Industry Key Laboratory of Functional Ceramic Materials,Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province,School of Materials Science and Engineering,Jingdezhen Ceramic......
to the surfactant effect of the multicomponent ball-milling medium and the particle-stabilization effects of the surfactant and macromolecule. The former facilitates the penetration of the milling medium... carbide; grinding and dispersion; surfactant effect; macromolecule stabilization effect; ball-milling technique 原料, 工艺与设备是超细硬质合金制备过程中的3个关键点, 如果没有较好地解决硬质合金制备过程中的工艺问题, 即使采用优质的原料和先进的设备也无法生产出性能优异的合金[1]. 而长......
微泡浮选柱控制专家系统的开发与应用黄光耀1,2,冯其明1,欧乐明2,卢毅屏2,张国范2(1.湖南省长沙市中南大学资源加工与生物工程学院2.湖南省长沙市长沙矿冶研究院 )摘 要:开发浮选柱控制专家系统,利用其对浮选柱关键参数-液位高度,气体表观速度,精矿淋洗水及矿浆表观速度进行调节,实现了浮选柱自动稳定控制.利用工控计算机,PLC及其扩展模块,超声波-浮球联动液位计及相关检测仪器,对气体表观速度,精矿淋洗水进行开环控制.对浮选柱的液位高度,矿浆表观速度和尾矿流量实施闭环控制.工业生产实践表明,该专家系统稳定性好......
铌含量对17%Cr超纯铁素体不锈钢组织与高温强度的影响谷宇1,孙铭山1,范光伟1(1.山西省太原市山西太钢不锈钢有限公司技术中心)摘 要:随着汽车行业的发展,汽车排气系统热端用铁素体不锈钢的使用温度越来越高,高温性能成为限制其发展的关键性能.研究铌含量对铁素体不锈钢组织与高温性能的影响可以指导钢种设计和工业化生产.选取了2种17%Cr超纯铁素体不锈钢进行高温时效试验,结果表明:铌的质量分数为0.2%时,铌没有明显的强化作用,950℃高温下晶粒迅速长大,高温强度迅速降低;铌的质量分数为0.4%时,在950℃高温下......
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