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sintering parameter
相关语句
  烧结参数
     Orthogonal Experimental Study on Sintering Parameter Optimization of High Basicity Sinter
     高碱度烧结矿烧结参数优化的正交试验研究
短句来源
     Based on the new technology application in new process, this paper makes use of the method of experiment and theory analysis, studies the influence of laser sintering parameter to PS material machining precision, and the rule of the influence of each parameter to sintering part is got through the analysis and study of experiment data and discussion of the formation reason of several disfigurement in sintering part.
     本文基于新技术在新工艺中的作用,采用试验和理论分析的方法,研究激光烧结参数对聚苯乙烯材料加工精度的影响,通过对试验数据的分析研究,探讨了烧结制件中出现的几种缺陷的形成原因,得出了各参数对烧结制件精度的影响规律。
短句来源
  烧结工艺参数
     the density, hardness,fracture toughness KIC and microstructure of the sintered nanostructured WC-Co cemenlal carbide was measured and analysed to have determined the optimal sintering parameter.
     硬质合金的密度、硬度、断裂韧性等性能进行了测试分析,确定了最佳的烧结工艺参数
短句来源
     The rule is analysed that the sintering parameter influences on the mechanical properties of PS/nano-montmorillonite composites.
     分析烧结工艺参数对聚苯乙烯/纳米蒙脱土复合材料的力学性能的影响规律;
短句来源
     The main composition of copper alloy powder was QCuPb24Sn1. The experiments show that the quality of products is affected by physic properties of QCuPb24Sn1 powder, sintering parameter, rolling parameter, the quality of steel backing and its treating.
     试验表明,QCuPb24Sn1合金粉末的物理化学性能、烧结工艺参数、轧制工艺参数、钢背材质及其处理是影响材料性能的主要因素。 并用法向拉伸强度检测、弯头强度检测、硬度试验、金相性能检测等方法检测了制品的有关性能。
短句来源
     The obtained optimum sintering parameter, namely sintering temperature at 800℃, with dwelling time of 6min, a micron density bulk copper (relative density>98%) could be prepared with powdered copper of average particle size of 1μm, and a fully density bulk copper (relative density>99. 5%) could be prepared with powdered copper of average particle size of 3μm.
     利用优化烧结工艺参数,即烧结温度为800℃,保温时间为6min,采用1μm的铜粉制备出具有细晶结构的微米级致密烧结铜(相对密度> 98%); 采用3μm的铜粉制备出完全致密的烧结铜(相对密度>99.5%)。
  “sintering parameter”译为未确定词的双语例句
     sintering parameter: 670 °C/30 min+800°C-900 °C/30 min.
     烧结工艺:670℃/30min+800℃-900℃/30min。
短句来源
     High PbCaFeNb microwave dielectric ceramics was preapared through liquid-sintering technology,investigated the relationship between pelleting pressure,sintering parameter and the microstructure and microwave properties.
     采用液相助烧的烧结工艺制备了PbCaFeNb高εr微波介质陶瓷材料,并研究了液相助烧剂对降低烧结温度的影响,同时研究了成型压力、烧结工艺对材料微观组织及微波性能的影响。
短句来源
     THE PRACTICE OF PRODUCTION AND ADJUSTMENT OF SINTERING PARAMETER ON 100m 2 SINTER PLANT FOR TICS
     太钢100m~2烧结机生产及工艺参数的调整
短句来源
     The sintering parameter is determined by combing the sintering temperature and the maintaining time.
     烧结参数的选取需综合考虑烧结温度和保温时间。
短句来源
     Optimize sintering parameter, like sintering temperature, pressure and heating time, would increase the mechanical propertiesof the material.
     可以通过改变热压烧结的温度制度、加压压力大小、保温保压时间,或者加入第三相物质作为助烧剂,改善材料烧结性能来提高材料的力学性能。
短句来源
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  sintering parameter
The present investigation looked into the effect of sintering parameter on the microstructure and mechanical properties of the composite.
      


The effects of some sintering parameters, including pre-reduction schedule, sintering time, and cooling rate after sintering as well as vacuum heat treatment, were investigated. For tensile-test specimens, pre-reduction over a heating period of 10min is adequate to obtain ductility≥22%. A sintering time of 30 60 min is optimal, sintering for 2-3h gives poor properties due to pore coalescence. Slow cooling is necessary not only in the solidification range but also under the solidification...

The effects of some sintering parameters, including pre-reduction schedule, sintering time, and cooling rate after sintering as well as vacuum heat treatment, were investigated. For tensile-test specimens, pre-reduction over a heating period of 10min is adequate to obtain ductility≥22%. A sintering time of 30 60 min is optimal, sintering for 2-3h gives poor properties due to pore coalescence. Slow cooling is necessary not only in the solidification range but also under the solidification range down to 800℃. With an average cooling rate-50K/min, good properties with elongation≥23% and fracture stress≥1200N/mm2 have been obtained. Vacuum heat treatment (VHT) can improve the ductility and strength in parallel with the decrease of hydrogen content of sintered specimens, the most significant effect of VHT was observed in specimens quenched from 1400℃. It was confirmed from this work that the mechanism of the cooling rate sensitivity is hydrogen em-brittlement, which is responsible for the brittleness of quenched specimens. The improvement on ductility by VHT is attributed to hydrogen elimination from the phase boundaries between W-grains and matrix.

研究了若干烧结参数,包括预还原制度、烧结时间以及烧结后的冷却速率,和真空热处理的作用。对于抗张试样,为获得延伸率≥22%,在10分钟的加热阶段预还原就可以了。烧结时间以30~60min为最优,烧结2~3h由于孔的聚合而使性能变坏。慢冷不仅在凝固阶段是必需的,而且在该阶段以下直到800℃。采用平均冷却速率~50K/min可获得延伸率≥23%,破断应力≥1200N/mm~2。真空热处理(VHT)可以提高烧结试样之延性和强度并降低其氢含量,其最显著的效果是对于由1400℃急冷的试样。由本文的工作确信冷却敏感性的机制是氢脆,它导致急冷试样的脆性。真空热处理对延性的改善归因于氢由钨晶粒和基体间相界区域的消除。

The mathematical relationship between the operational perfor mances (filtering precision and efficiency) of P/M filter materials and the properties of raw material powder(particle size and size distribution) and technological parameters(sintering temperature)is deduced mathematically and discussed on the base of experiments, when spherical powder is used as raw material for sintering loose powder materials, an equation can be set up to describe the relation between pore sizes in a freely stacking...

The mathematical relationship between the operational perfor mances (filtering precision and efficiency) of P/M filter materials and the properties of raw material powder(particle size and size distribution) and technological parameters(sintering temperature)is deduced mathematically and discussed on the base of experiments, when spherical powder is used as raw material for sintering loose powder materials, an equation can be set up to describe the relation between pore sizes in a freely stacking powder body and the diameters of the particles. Hence, a function between the filtering precision of the filter and the particle size of the original powder can be deduced. The data obtained from sintering experiments and the structural analyses of sintering bodies can be treated by a microcomputer, and math-models dealing with filtering efficiency, particle size distribution and sintering temperature can be established. They can be used for the selection of original powder with suitable properties and the determination of the optimum sintering parameters in practical production. It will speed the research work, raise the productivity and improve the quality of the products. It has been proved successfully by auther′s research work and practical production. Under certain conditions, the math-models have been used in the manufactures of flame barrier and image plate materials, helping to choose the maximum pore diameter and critical fire-extinction diameter of the materials.

本文从理论推导和实验数据探讨了松装烧结过滤材料使用性能(过滤精度、过滤效率)与原料粉末粒度、粒度组成及烧结工艺参数(烧结温度)之间的数学关系。运用多项式回归方法和微机分析处理,建立了相应的数学模型。从而为合理选择原料粉末粒度和最佳烧结工艺参数以制取符合预定使用性能要求的过滤材料提供了理论和实验依据。在一定条件下,数学模型对制取粉末冶金多孔材料具有指导意义。

The mixture of Co base alloy-25 vol. % tungsten carbide was selected as test material and the composite coatings were obtained on the surface of 45 (AISI 1045) steel by using vacuum fusing sintering process. The microstructures of composite coatings have been observed and analysed with metallographic microscope, scanning electron microscope and X-ray dif-fractormeter. The sliding wear tests have been carried out with MHK-500 ring-on-block sliding wear test machine under paraffin oil lubrication condition....

The mixture of Co base alloy-25 vol. % tungsten carbide was selected as test material and the composite coatings were obtained on the surface of 45 (AISI 1045) steel by using vacuum fusing sintering process. The microstructures of composite coatings have been observed and analysed with metallographic microscope, scanning electron microscope and X-ray dif-fractormeter. The sliding wear tests have been carried out with MHK-500 ring-on-block sliding wear test machine under paraffin oil lubrication condition. The influences of vacuum fusing parameters on the structure strength, hardness, friction and wear behavior of the composite coating have been determined. On the basis of comprehensive analyses, the vacuum fusing sintering parameters of the Co base alloy-25 vol. % tungsten carbide composite coatings were optimized, with fusing sintering temperature 1180℃ and holding time 2 minutes.

选用钴基合金—25 vol%WC复合料作为试验材料,并用真空熔烧方法在45号钢表面制得复合涂层。用金相显微镜、扫描电子显微镜和X射线衍射仪观察和分析复合涂层的组织结构。在石腊基础油润滑条件下,应用MHK—500环—块滑动磨损试验机进行滑动磨损试验。测定真空熔烧工艺参数对复合涂层组织结构、强度、硬度和摩擦磨损性能的影响。在综合分析的基础上,给出了钴基合金—25 vol%WE复合涂层最佳的真空熔烧工艺参数为:熔烧温度为1180℃,保温时间为2min。

 
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