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powder metallurgy sintering
相关语句
  粉末烧结
     POWDER METALLURGY SINTERING THEORY BASED ON CONTINUUM MECHANICS
     基于连续体介质力学的粉末烧结理论
短句来源
     Powder Metallurgy Sintering Theory Based on Continous Mechanics
     基于连续体介质力学的粉末烧结理论
短句来源
     The basic structure and development of powder metallurgy sintering theory, based on continuum mechanics, was reviewed.
     本文综述了基于连续介质力学的粉末烧结理论的基本结构和发展概况。
短句来源
  “powder metallurgy sintering”译为未确定词的双语例句
     During preparing the materials by the method of powder metallurgy, sintering technics, the key process, is studied deeply.
     然后分别重点研究了耐液锌腐蚀材料的粉末冶金制备方法和在锌液中的腐蚀实验结果及机理。
短句来源
     Powder metallurgy sintering, electroplating and brazing are three methods manufacturing diamond tool. Electroplating diamond tool holds diamonds mainly depending on plating layer's mechanical burying, powder metallurgy sintering diamond tool has some metallurgical combining, but among these two methods, there is not integrated chemical and metallurgical combining interface between binding material and diamonds, so hold is not strong, machining under heavier load, diamonds fall off easily;
     粉末冶金烧结、电镀和钎焊这三种金刚石工具的制造方法中,电镀金刚石工具主要是靠镀层的机械包埋来把持金刚石,粉末冶金烧结金刚石工具中虽有一定的冶金结合,但这两种金刚石工具的制造方法中,结合剂和金刚石界面并不是完整的化学冶金结合,因而把持力不强,在较重负荷加工时,金刚石容易脱落;
短句来源
     Recently, with faster rotating speed of engine and greater output of power, bearing materials of engine have trended to choose Al-based or Cu-based alloy, and relevant manufacturing processing of bearing adopts roll-bonding and powder metallurgy sintering respectively.
     近年来随着发动机转速的提高和输出功率的增加,汽车工业广泛采用铝基、铜基轴承合金材料和复合轧制、粉末冶金烧结工艺来生产发动机轴瓦。
短句来源
     For a better application of Hollow Cathode Discharge(HCD) to powder metallurgy sintering,with the pressed stainless powder cylinder and parallelism sheet bar as hollow cathodes,the igniting conditions of HCD and the effects of vacuum width,air pressure,voltage and temperature of hollow cathode have been studied in this paper.
     为了将空心阴极效应更好地应用于粉末冶金制品的烧结,采用不锈钢粉末压坯作为圆筒和平行平板空心阴极,进行了空心阴极放电的点燃条件以及阴极空腔宽度、气压、电压和温度等因素对放电电流密度影响的研究.
短句来源
     Two kinds of CuCr contact materials have been made by powder metallurgy sintering process and infiltration process with 48%52% copper.
     分别采用熔渗法和混粉压烧法制备技术生产出2种铜铬触头材料,其含铜量均为48%~52%,余量为铬。
短句来源
  相似匹配句对
     POWDER METALLURGY IN TURKEY
     土耳其粉末冶金发展现状
短句来源
     THE SOCIETY OF POWDER METALLURGY ORGANIZED
     粉末冶金协会成立
短句来源
     Current Progress of Sintering Technics of Powder Metallurgy
     粉末冶金烧结技术的研究进展
短句来源
     STRUCTURE AND DEVELOPMENT OF SINTERING FURNACE IN POWDER METALLURGY
     粉末冶金烧结炉的结构设计及发展趋势
短句来源
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VO_2 polycrystalline specimens have been prepared by powder metallurgy (sintering) method. The X-ray structural analysis and the measurement of the R-T curve on specimens has been carried out. The results show that the insulator --metal transition of pure VO_2 specimens is observed at about 338K with increasing temperature, but the VO_2 specimens doped with Cr transit at the temperature lower than about 338K. If the content of V_2O_5 in specimens >5 % or after quenching in oil, the R-T curve...

VO_2 polycrystalline specimens have been prepared by powder metallurgy (sintering) method. The X-ray structural analysis and the measurement of the R-T curve on specimens has been carried out. The results show that the insulator --metal transition of pure VO_2 specimens is observed at about 338K with increasing temperature, but the VO_2 specimens doped with Cr transit at the temperature lower than about 338K. If the content of V_2O_5 in specimens >5 % or after quenching in oil, the R-T curve of specimens will be plane.

对用粉末冶金(烧结)法制得的多晶VO_2材料进行了X-射线结构分析和R-T曲线的实验研究.结果表明,纯的VO_2多晶材料升温时在338K发生数量级约为10~3倍的绝缘-金属转变,掺杂Cr的VO_2样品转变温度向低温方向偏移。当样品中含有5%以上的V_2O_5或样品淬油时,其R-T曲线将变得平坦.

The basic structure and development of powder metallurgy sintering theory, based on continuum mechanics, was reviewed. This paper introduced the fundamental aspects in studying the densification behavior of sintered powders through pure viscosity model, viscoelastic model, viseoplastic model and plastic model; also it pointed out that application of energy dissipation function is an effective method in describing complex powder sintering process. Finally, the progress of the industry...

The basic structure and development of powder metallurgy sintering theory, based on continuum mechanics, was reviewed. This paper introduced the fundamental aspects in studying the densification behavior of sintered powders through pure viscosity model, viscoelastic model, viseoplastic model and plastic model; also it pointed out that application of energy dissipation function is an effective method in describing complex powder sintering process. Finally, the progress of the industry application of powder sintering theories, which were developed on those models, was described.

本文综述了基于连续介质力学的粉末烧结理论的基本结构和发展概况。介绍了采用粘性模型、粘弹性模型、粘塑性模型和塑性模型研究粉末烧结体致密化行为的基本思路;同时指出,采用能量耗散方程是研究复杂粉末烧结过程的有效手段。最后,简述了在这些模型基础上粉末烧结理论的实用化进展。

Research and development of 2:17 type SmCo permanent magnets are reviewed. Considered are four magnets types : high temperature magnets, super-low temperature coefficient magnets, the radially oriented and multi-polar rings, high electricity insulation magnets. Manufacturing techniques described include: powder metallurgy (sintering), reverting-diffuse and quenching-bonding. The cellular microstructure was characterized, and the effects of components on microstructure were discussed. The coercivity...

Research and development of 2:17 type SmCo permanent magnets are reviewed. Considered are four magnets types : high temperature magnets, super-low temperature coefficient magnets, the radially oriented and multi-polar rings, high electricity insulation magnets. Manufacturing techniques described include: powder metallurgy (sintering), reverting-diffuse and quenching-bonding. The cellular microstructure was characterized, and the effects of components on microstructure were discussed. The coercivity mechanism over a wide temperature range was considered and directions for future research discussed.

2:17型SmCo永磁材料主要有4种类型的磁体:高温磁体、超低温度系数的磁体、辐射取向和辐射多极取向环行磁体、高电绝缘磁体。介绍了其制造方法,主要是粉末冶金(烧结)法、还原扩散法和快淬-粘结法;描述了磁体的胞状显微组织结构和成分对结构的影响;总结了其矫顽力机理,特别是高温下的矫顽力机制;并对该永磁材料的今后研究趋势作了评述。

 
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