The surface properties, ball mill and crushing efficiency, the surface modification, compactibility and pressing agents of superfine Ti(CN) and WC material powders were studied systematacially in this paper for the first time.
Ti(CN)基金属陶瓷混合料通过复配添加表面活性剂和改性剂,在超细Ti(CN)和WC-Co粉末表面改性,粉末表面钝化,提高了它们的抗氧化性能和压制性能,可以压制复杂形状的可转位金属陶瓷刀片。
The influence of hydrogenation on the particle morphology and surface state,particle microstructure and phase component,microhardness and pressing property of TC21 alloy powder were investigated by means of SEM,powder inlaid,XRD and die forming.
采用扫描电镜观察、粉末镶嵌试样、XRD和模压成形等方法,研究了置氢(H,wt%)对TC21合金粉末颗粒形貌、表面状态、显微组织、相组成、显微硬度和压制性能等的影响。
The influences of hydrogenation on the particle morphology and surface state,microhardness,particle microstructure,phase component and pressing property of TC4 alloy powder were studied by means of SEM,powder inlaid,XRD and die forming.
采用扫描电镜观察、粉末镶嵌试样、XRD和模压成形等方法,研究了置氢对TC4合金粉末颗粒形貌、表面状态、显微硬度、显微组织、相组成和压制性能等的影响。
Simulation model of blanket jamming against air defense radar is researched.
研究防空兵雷达所面临的压制性干扰的仿真模型,根据模型利用VC++6。
Aimed at the SAR blanketing jamming suppression,a method of three-channel cancellation is proposed.
针对合成孔径雷达(SAR)压制性干扰的抑制问题,提出了一种三通道对消方法。
In this paper according to requirements of ECCM for radar the self-screeing ranges are analysed when blanketing jammings separately get into the receive in the directions of antenna major lobe and sidelobe,by reason of this the estimations of radar antenna sidelobe level inde.
根据电子反对抗对雷达的要求,分析了压制性干扰分别从主瓣和旁瓣进入接收机时雷达的自卫距离,由此引出对天线旁瓣电平指标的估计。