硬度是衡量超硬材料烧结体的主要特性之一。
Hardness is one of the main characters of ultrahard material sinters.
进一步延长或缩短脉冲电流烧结时间，烧结体的密度、硬度和弯曲强度反而下降。
With prolonged or shortened pulse electrical current sintering time, the density, hardness and bend toughness of the sintered materials decreased.
力学性能测试结果表明，随着烧结温度的升高，70W_2B_5/C复合材料的断裂性与维氏硬度均增加。
The mechanical properties results show that the fracture toughness and Vickers hardness of the 70W_2B_5/C composite increase with the sintering temperature.
由于金刚石的硬度与弹性模量极高，在烧结时很难发生塑性变形。
Because of the excellent hardness and elastic module of diamond, it is difficult to get plastic deformation when sintering.
SPS在较低温度下烧结的钼的硬度较高，原因是其晶粒较细。
The molybdenum sintered at lower temperature by SPS having higher hardness is due to fine grain strengthening.
并对制备过程中的压制压力、烧结温度和烧结时间等工艺参数对材料密度、硬度和组织的影响进行了研究。
We studied the effect of suppress pressure, sinter temperature and sinter times on density, hardness and structure of the materials in the course of preparation.
首先分析了热烧结矿筛分机(简称热矿筛)筛板使用寿命短的主要原因是由于筛板材质高温硬度低、高温耐磨性差。
It is analyzed the main reason that hot mineral screen plate has short service life, it is because that screen plate had low high temperature hardness and low high temperature wear-resistance.
结果表明：名义尺寸相同而实际尺寸相差较大的磨球所磨出的粉体粒度大且分布不均匀，烧结体硬质相颗粒粗大且等轴性差，抗弯强度和硬度均较低。
It is found that the grain size of the powders milled by balls with different diameters is big, the hard phase is big too and not uniform, the hardness and bending strength are also lower.
对热压烧结后材料的硬度、断裂韧性和抗弯强度进行了测试和分析；
The hardness, the fracture toughness and the bending strength of the composites were tested.
随烧结温度的升高，材料的显气孔率降低，而体积密度、硬度和抗压强度均增加。
With the increase of sintering temperature, the apparent porosity of sample decreases, while bulk density, hardness and compressive strength increased.
同时发现保温时间对烧结体的相对密度影响不大，但硬度随保温时间的延长而增大。
With the increase of the sintering holding time, the relative density of the compacts hardly increases, but the hardness could be improved.
由于真空烧结涂层基体的硬度较低，采用对基体调质处理的方法来提高涂层基体的硬度。
Because the hardness of substrate was low after vacuum melting, the hardness of substrate was increased by hardening and tempering methods.
随着球磨时间的延长，烧结合金的硬度升高，密度、横向断裂强度和压缩强度均下降。
The hardness increased, but the density, transverse rupture strength and compressive strength decreased when prolonging the holding time.
测试了真空烧结和低压烧结试样的抗弯强度、洛氏硬度、磁饱和度和矫顽磁力。
Transverse rupture strength, Rockwell a hardness, magnetic saturation induction and magnetic coercivity of samples sintered in vacuum or by sinter-HIP were measured.
重点研究了球磨时间和烧结温度对烧结合金的密度、硬度、横向断裂强度和压缩强度的影响。
The effects of milling time and sintering temperature on density, hardness, transverse rupture strength and compressive strength were mainly studied.
随着烧结温度的升高，烧结合金的密度增加，硬度降低，横向断裂强度和压缩强度则先升高后降低。
Elevating sintering temperature, the density increased and the hardness decreased, but the transverse rupture strength and compressive strength were increased at first and then decreased.
烧结压力越大，复合材料的致密度越高，硬度和断裂韧性越好。
The higher the sintering pressure, the higher the density, the better the properties.
所述烧结且回火的坯体在没有任何淬火处理的情况下具有高硬度。
The sintered-tempered compact has high hardness without performing the quenching process.
本发明是有关于一种烧结硬化原料粉末及其烧结坯体，该烧结硬化原料粉末可产生具有高硬度的压制烧结坯体。
The invention relates to a sinter-hardening raw powder and a sintered compact thereof. The sinter-hardening raw powder can yield a press-and-sinter compact with high hardness.
通过测定其相对密度、线收缩率、拉伸强度和硬度，研究了烧结温度对合金性能的影响。
The influence of sintering temperature on mechanical properties of alloys was investigated by measuring their density, linear shrinkage, tensile strength and hardness.
通过测定其相对密度、线收缩率、拉伸强度和硬度，研究了烧结温度对合金性能的影响。
The influence of sintering temperature on mechanical properties of alloys was investigated by measuring their density, linear shrinkage, tensile strength and hardness.
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