pressureless compacting

The sialon powder was pressureless sintered at 1660℃ by general process and equipment.

以廉价的高岭土碳热还原—氮化法制得的β′—Sialon粉料为原料 ,用常规的制备工艺进行无压烧结 ,在1 660℃下烧结出体积密度近 3 2g/cm3 ,常温抗弯强度达 4 0 0～50 0MPa的烧结材

Preparation process of ZrB_2/B_4C ceramic composites by pressureless sintering based on mechanical mixing;

基于机械混合法无压烧结制备ZrB_2/B_4C陶瓷复合材料

Research on pressureless sintering of hexagonal boron nitride;

六方氮化硼无压烧结研究

Discussion on pressureless sintering of SiC ceramic;

SiC陶瓷无压烧结工艺探讨

The bulk composite CeO_2-ZrO_2 ceramics were prepared from synthesized and commercial CeO_2-ZrO_2 powder by pressureless-sintering, respectively.

分别以自制的和商业的CeO2-ZrO2复合粉为原料,采用无压烧结法制备了CeO2-ZrO2复合陶瓷块体材料,分析了烧结温度对两种材料的微观组织和力学性能的影响,并采用X射线衍射法(XRD)研究了两种材料在应力诱导下的t→m相变增韧效应。

Two types of Cu-20Ni-20Mn Alloy-W2C composite coatings with different particle size of W2C were prepared on a substrate of steel 45 using pressureless infiltration technique.

采用无压浸渍工艺在45#钢表面制备锰白铜合金-W2C复合涂层,考察了比压、转速及W2C颗粒尺寸对复合涂层耐磨性的影响,并与目前钻机刹车盘用16Mn钢材料的耐磨性进行对比。

In this paper,the ZrB_2-SiC ceramic matrix composites were prepared by pressless sintering with YAG as sintering additive.

以钇铝石榴石-YAG为烧结助剂,通过无压烧结制备了ZrB2-SiC复相陶瓷。

Zirconium diboride-silicon carbide (ZrB2-SiC) composites were prepared by pressless sintering with yttrium aluminum garnet (YAG) as sintering additive.

以钇铝石榴石(yttriumaluminumgarnet,YAG)为烧结助剂,通过无压烧结工艺制备了ZrB2-SiC复相陶瓷。

The mechanical properties and microstructure of silicon nitride ceramics with MgO-Al2O3-SiO2 as additives produced by pressless sintering were investigated by XRD, SEM, TEM, EDS, and HRTEM.

以MgO-Al2O3-SiO2为烧结助剂,借助XRD、SEM、TEM、EDS、HRTEM等手段,研究了无压烧结氮化硅陶瓷材料的力学性能和显微结构,着重探讨了材料制备工艺、力学性能和显微结构之间的关系,通过调整制备工艺改善材料微观结构以提高材料的力学性能。

To meet the requirements of no-clamping marks on the surface of capacity,integrative analysis was made based on the deformations of clamp claws and capacity under driving moment,and acting and reacting forces,the relationship between the construction deformation of the claws and the clamping marks was obtained.

针对高速全自动电容生产中,要求电容夹持表面“无压痕”的情况,将夹头驱动力和电容筒反作用力共同作用下的夹头受力变形和电容筒受压变形进行了综合分析,得出了夹头爪瓣结构变形与夹持“压痕”的关系,利用该关系设计的夹头实现电容的无痕夹持要求。

Effect of SiC particles characteristics on the thermophysical properties of SiCp/Al composites by powder injection and pressureless infiltration;

SiC颗粒特性对无压熔渗SiCp/Al复合材料热物理性能的影响

7% were successfully prepared by the combination of ceramic injection molding for the preparation of SiC preforms with monosized particles and aluminum pressureless infiltration technique.

采用粉末注射成形制备SiC预成形坯和Al合金无压熔渗相结合的工艺,用单一粒度的粉末成功地制备出了致密度为98。

The high reinforcement volume fraction SiC_p/Al composite parts with complex shape can be produced successfully by combination of powder injection molding(PIM) for SiC preform preparation and aluminum pressureless infiltration.

采用粉末注射成形制备SiC预成形坯和铝合金无压熔渗相结合的技术,成功制备出高体积分数且形状复杂的SiCp/Al复合材料零件。