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金刚石强度
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  diamond intensity
     The relationship between working time of diamond and some physical properties as intensity (toughness) was analyzed with the focus on the influence on diamond intensity under different loading conditions. Criterion for diamond intensity was proposed.
     分析了金刚石工作寿命、强度等物理量的关系 ,论述了不同载荷条件下对金刚石强度的影响 ,提出了判断金刚石强度的方法。
短句来源
  diamond strength
     ANALYSIS ON DETERMINATION METHOD OF DIAMOND STRENGTH
     对金刚石强度测定方法的分析
短句来源
     The technology of high efficiently sawing of stones by controlling segment appearance to optimum is proposed on the basis of comprehensively considering combination of sawing parameters, distribution of diamond strength and crystal shape and metallizing diamonds together.
     在综合考虑锯切参数组合、金刚石强度、晶形分布特点以及镀膜金刚石的使用效果的基础上,提出在高效条件下有效控制节块处于最佳表面状态,从而实现低成本高效锯切石材的技术。
短句来源
     The diamond strength is a most important parameter for diamond tools.
     金刚石强度对于金刚石工具是最为重要的一个参数。
短句来源
  “金刚石强度”译为未确定词的双语例句
     Experiment & Analysis of Various Factors on the Strength of Artificial Diamond
     影响人造金刚石强度的多因素实验与分析
短句来源
     The solid boronization of Ni70Mn25Co5 alloy used for synthesizing diamond and the effect of it on strength of synthetic diamond by orthogonatity rejection have been investigated.
     采用正交设计方法研究了合成金刚石用Ni70Mn25Cos合金固体渗硼及其对人工合成金刚石强度的影响。
短句来源
     Experiments and analysis are made on the strength loss of diamond after sintering and welding.
     研究了金刚石强度在烧结和焊接后的变化;
短句来源
     Various factors having the influences on the compression strength of artificial diamond are
     简述了影响人造金刚石抗压强度的多种因素,针对晶形、杂质及温度对金刚石强度的影响进行了实验分析,为金刚石及其制品的生产提供了有益的参考
短句来源
     The results show that the eleetroless plated N i coating can increase strength of diamond by 47% , in crease oxidation temperature of diamond by 170℃ , and can improve thermal stability of diamond too.
     结果表明,该镀Ni层可提高金刚石强度,最大提高47%. 提高金刚石的氧化温度,最大提高170℃.
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  相似匹配句对
     On The Breaking Strength of Diamond
     金刚石强度及破裂
短句来源
     The protrusion height and the retained strength of diamond in tools increase aswell.
     金刚石存留强度增加;
短句来源
     Anchoring Strength of Rock Bolts
     锚杆支护强度
短句来源
     Brief Introduction of Diamond
     金刚石简介
短句来源
     3.3 Duodenogastric reflux (DGR) : The examination was carried out with Doppler Ultrasound .
     DGR强度
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A new high effective sintering process for producing diamond bits has been developed. As compared with hot pressing process, the sintering temperature decreased 40-80℃, the sintering time is shorten by 2/3, the consumed graphite die material is saved about 1/2.In this paper the properties of high effective sintering bits are described in detail. As compared with hot pressing diamond bits, the sintered diamond has the following characteristics such as high strength (about 5N higher), more homogeneous matrix structure,...

A new high effective sintering process for producing diamond bits has been developed. As compared with hot pressing process, the sintering temperature decreased 40-80℃, the sintering time is shorten by 2/3, the consumed graphite die material is saved about 1/2.In this paper the properties of high effective sintering bits are described in detail. As compared with hot pressing diamond bits, the sintered diamond has the following characteristics such as high strength (about 5N higher), more homogeneous matrix structure, remarkable oversaturation strengthening and dislocation strengthing in bonding phase, more well-distributed hard phase, lower oxygen contend in matrix, and higher bending strength (increased by 20-30%). So that the high effective sintering diamond bits has better drilling properties, more complete diamond egde during drilling and higher wear resistance of matrix.In general, the service life of spark sintering diamond bits increases S0-100%,the efficiency per hour raises 20-50%.

本文开发研究了高效烧结金刚石钻头的新工艺。它较通用热压法,烧结温度降低40~80℃,烧结时间缩短2/3,烧结石墨模具用料节省约1/2,为制造优质金刚石钻头提供了一种新方法。 本文较详细地叙述了高效烧结钻头的特性。它与热压法相比,烧结后的金刚石强度高5N左右,胎体组织较均匀,粘结相被过饱和强化,位错强化明显,硬质相较分散,胎体含氧量较低,抗弯强度高20~30%。因而,高效烧结钻头钻进性能良好,金刚石出刃较完整,胎体耐磨性高。一般说,钻头使用寿命可提高50~100%,小时效率提高20~50%。

By heating the mixture of pre-treated diamond, powder of transition metals (or their compounds)and activator in vacuo, a carbide-metal layer of 0.1 -0.2μm can be coated on the surface of diamond. This method is simple, economical and suitable for mass production. The strength of the coated diamond, the bonding force with the metallic matrix, heat resistance(sintering temperature of diamond bits)and conductance are all improved. Analogue drilling experi ments indicate that if MEC-ME coated diamond bits are used,...

By heating the mixture of pre-treated diamond, powder of transition metals (or their compounds)and activator in vacuo, a carbide-metal layer of 0.1 -0.2μm can be coated on the surface of diamond. This method is simple, economical and suitable for mass production. The strength of the coated diamond, the bonding force with the metallic matrix, heat resistance(sintering temperature of diamond bits)and conductance are all improved. Analogue drilling experi ments indicate that if MEC-ME coated diamond bits are used, the bit consumption per unit drilled footage would be considerably reduced. In this paper the authot also presents a rat her deepgoing theoretical analysis on the mechanism of the MEC - ME coating and coating growth with the aid of modern measuring techniques.

本文介绍的新工艺是将预处理后的金刚石,同某些过渡族金属粉末(或化合物)和活化成分,在真空加热条件下,使金刚石表面渗覆一层0.1~0.2微米的碳化物—金属层。该法简单、经济、易于大量生产。覆层后的金刚石强度、与金属胎体的结合力和抗温(烧结钻头时的温度)性能,以及导电性等有明显的提高。经实验台钻进试验,有覆层的金刚石钻头,可降低单位进尺的钻头耗量。借助于现代测试技术对覆层进行了理论分析。

The author gives a summary of the World man-made diamond production and makes an analysis ofthe reason for its output increasing. New synthetic technology, purification and hardness strengthening of the man-made diamond, grain size requirement of diamond for making bit and new designs ofdrilling bits are also briefly summarized.

文中综述了世界金刚石的生产情况,分析了人造金刚石产量增长的原因,介绍了国外在人造金刚石合成技术、金刚石的提纯、提高金刚石强度的方法,以及钻头用金刚石的粒度和钻头设计等方面的最新进展.

 
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