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partial sintering
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  “partial sintering”译为未确定词的双语例句
     The results showed that the CexMn10-xO20-δ oxides formed after calcination at 500℃, and calcination at higher temperatures (typically 800℃) resulted in surface areas decreasing and partial sintering.
     结果表明,在适当的Ce/Mn摩尔比范围内,试样经500℃焙烧可形成Ce/Mn固溶体复合氧化物,更高焙烧温度则导致催化剂比表面积下降和一定程度的烧结。
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  相似匹配句对
     The Effect of Partial Prealloying on the Sintering Process of Diamond Saw Segment
     部分预合金化对金刚石锯片胎体烧结过程的影响
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     PARTIAL DIPLOMYELIA
     部分的二重脊髓
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     microwave sintering;
     微波低温干燥;
短句来源
     There was a threshold time for the sintering of partial prealloyed saw segment.
     预合金化胎体的烧结保温时间有一门槛值。
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     Partial Arbitrary of Idioms
     习语的部分任意性
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  partial sintering
By decreasing the firing temperature to 300 °C, partial sintering with grain growth was observed clearly during reduction.
      
The catalysts' total surface area decreased with increasing calcination temperature, presumably due to the partial sintering of the catalysts particles.
      
A highly-conducting ceramic material, identified as stable in molten carbonate electrolyte, has been fabricated by partial sintering of the powder into porous gas-diffusion electrodes.
      


The high-performance water-atomized steel powders are a sort of iron-based powders which have a higher purity and compresibility with a possibility to attain a satisfactory green strength. They behave as a combination of the high-compresibility of atomized powder with the high-formability of reduced (sponge) powder. In the conventinal conditions of V-jet water-atomization procedure elevated water pressure allowed to produce a large quantity of fines (-325 mesh) followed by increasing temperature of the annealing...

The high-performance water-atomized steel powders are a sort of iron-based powders which have a higher purity and compresibility with a possibility to attain a satisfactory green strength. They behave as a combination of the high-compresibility of atomized powder with the high-formability of reduced (sponge) powder. In the conventinal conditions of V-jet water-atomization procedure elevated water pressure allowed to produce a large quantity of fines (-325 mesh) followed by increasing temperature of the annealing in a reducing atmosphere to promote the partial sintering of smaller particles to the surface of coarser particles in order to provide a greater percentage of irregular shaped powder. From this powder the singlepressed parts with a high green strength can be obtained. A suggestion is made to supplement of the green strength as a cheked item in modification of powder standards of our country.

高性能水雾化钢铁粉末是指其不仅具有高纯度、高压缩性,而且能达到较高的压坯强度,其工艺性能应介于高压缩性的雾化粉和高成形性的还原(海绵)粉之间,在不改变V型喷嘴水雾化基本工艺的前提下,将雾化水压提高以获得数量多的极细颗粒(-325目)和通过适当升高精还原温度以增加不规则形状及中等粒度范围(-80+200目)的粉末数量,从而保证粉末可获得高的压坯强度,鉴于国外钢铁粉末的标准中已采用压坯强度或转鼓试验磨损值作为考核粉末成形性的指标,作者建议我国在修订钢铁粉末标准时增加压坯强度的测试项目。

The variation of strength and microstructure of green bodies were studied in the course of binders' burning out. The results show that the burnout course could be divided into three stages. When temperature is below 200 degree C, the mechanical properties of green bodies decrease with temperature increasing. When temperature increases to 350~500 degree C, the strength decreases sharply because the organic net formed in shaping course becomes softening and decompositing. And when temperature increases to 900...

The variation of strength and microstructure of green bodies were studied in the course of binders' burning out. The results show that the burnout course could be divided into three stages. When temperature is below 200 degree C, the mechanical properties of green bodies decrease with temperature increasing. When temperature increases to 350~500 degree C, the strength decreases sharply because the organic net formed in shaping course becomes softening and decompositing. And when temperature increases to 900 degree C, the strength increases gradually because of the partial sintering occured in the body.

研究了凝胶注成型过程中 ,排胶对坯体强度及其显微结构的影响 .研究发现 ,随着排胶温度的升高 ,排胶过程具有阶段性 :当温度低于 2 0 0℃时 ,坯体强度稍有下降 ;当温度升至 35 0~ 5 0 0℃时 ,由于坯体内部高分子网络逐渐软化、分解 ,强度显著下降 ;当温度高于 5 0 0℃时 ,由于坯体内部局部烧结 ,强度则逐渐回升 .

Objective: In this paper, the technology route of fabricating high performance dental restoration via partial sintering-CAD/CAM-full sintering three steps method was primarily studied, where Y 2O 3-stabilized tetragonal zirconia polycrystal (Y-TZP) nanometer crystalline powder was used as raw material. Methods:First,Partial sintered Y-TZP blank was manufactured by molded shape at 25MPa, sintered at low temperature. Second,The initial dental framework was obtained by machining the blank on...

Objective: In this paper, the technology route of fabricating high performance dental restoration via partial sintering-CAD/CAM-full sintering three steps method was primarily studied, where Y 2O 3-stabilized tetragonal zirconia polycrystal (Y-TZP) nanometer crystalline powder was used as raw material. Methods:First,Partial sintered Y-TZP blank was manufactured by molded shape at 25MPa, sintered at low temperature. Second,The initial dental framework was obtained by machining the blank on dental CAD/CAM system. Third,the ultimate high performance dental restoration was obtained by full sintered the initial dental framework. Results:To fabricate a dental crown, the machining time of partial sintered ceramic blank was equal to the machine anticipation time. The full sintered Y-TZP had excellent mechanical properties, with bending strength of 710 MPa, fracture toughness of 4.77 MPa·m 1/2 . During full sintering process, the shrinkages of dental crown in different spatial dimensions were equality and uniformity. The dental crown had verisimilitude configuration, and had no crack on surface. Conclusion: Y-TZP can be used as a new promising ceramics to fabricate molars crowns and bridges, because their strength are 3-5 times stronger than those of current dental ceramics. The technology route of partial sintering- CAD/CAM- full sintering three steps method is also a feasible simple way to fabricate high performance dental restoration.

目的 :本文对以氧化钇稳定四方相氧化锆 (Y -TZP)纳米微粉为原料 ,经部分烧结 -牙科计算机辅助设计/计算机辅助制造系统 (CAD/CAM)加工 -完全烧结三步法制备高性能的牙科修复体的工艺路线进行了初步探索。方法 :先经模压成型 ,低温烧结 ,制作了可供CAD/CAM加工的部分烧结Y -TZP陶瓷块 ;然后经牙科CAD/CAM机加工 ,得到初步的牙科修复体 ;最后对此修复体进行完全烧结 ,得到高性能的氧化锆牙科修复体。结果 :部分烧结的陶瓷块的切削性能优良 ,与CAD/CAM预期时间吻合。完全烧结的陶瓷材料机械性能优良 ,弯曲强度达到710MPa,断裂韧性达到 4 .77MPa·m1/ 2 。在完全烧结过程中 ,各个方向收缩均匀一致。得到的牙冠形态逼真 ,无裂纹。结论 :部分烧结 -CAD/CAM加工 -完全烧结三步法制备高性能的牙科修复体的工艺路线为一条切实可行的路线

 
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