The effects of the pressure,temperature and time on the properties of sintered diamond compacts are investigated in infiltrating way in this work;sintered diamond compacts of metal additive with the wear resistance ratio of 285×10 3 and without abnormal diamond grain growth are obtained at 1400℃, 5.
8GPa、12min的烧结条件下,烧结出磨耗比为285×103、金刚石颗粒未出现异常长大的金刚石烧结体;分析了烧结方法对烧结效果的影响。
The effects of diamond grain sizes on wear resistance ratio of the sintering diamond compacts are investigated.
本文采用熔渗法和混合法进行了合成金属结合剂金刚石烧结体的对比实验；对实验结果进行了讨论；研究了金刚石的粒度对烧结体磨耗比的影响；探讨了两种方法的使用范
Abrasive ratio, thermal stability, impact toughness and cohesive strength are main performance figures of PDC.
磨耗比、热稳定性、抗冲击韧性和结合强度是金刚石复合体的主要性能指标。
By a self designed equipment and given testing conditions, comparative experiments were done to contrast the abrasive ratio of cemented carbide coated with diamond film and other material samples.
利用自行设计的试验装置 ,在设定的试验条件下 ,对金刚石薄膜涂层硬质合金等 3种不同材料试件的磨耗比进行对比试验 ,并对试验结果进行讨论。
Measurement of abrasion ratio of CVD diamond;
CVD金刚石磨耗比测定
Three groups of synthetic polycrystalline diamond were sintered under different conditions, then the magnetism and abrasion ratio of the synthetic polycrystalline diamond were measured by using WCF -2 and JS71 - A respectively, while the influence of different technics and bonds on magnetism and abrasion ratio were analyzed.
采用不同的烧结工艺在高温高压下烧结出三批金刚石聚晶,然后采用WCF-2多用磁性分析仪和JS71-A型磨耗比测定仪对人造金刚石聚品的磁性与磨耗比进行测量,并且分析了不同的烧结工艺和粘结剂和对聚晶磁性和磨耗比的影响。
Through the dressing test,it is found that the dressing lead of the grinding machine,the dressing cross-section of CVD diamond log and its abrasion ratio have an effect on dresser life and dressing quality.
CVD金刚石具有很高的热导率、良好的热稳定性和极高的耐磨性,非常适合制作砂轮修整工具;本文通过砂轮修整试验研究了在CVD金刚石砂轮修整工具应用过程中,修整导程、CVD金刚石修整截面面积和CVD金刚石磨耗比等对其使用寿命的影响。
We tested some PDC samples with different geometrical shapes and found that the geometrical shapes of PDC have a considerable influence on the testing results of the G-ratio of PDC.
通过对测试部位几何形状不同的PDC样品进行磨耗比测试,其结果发现,PDC测试部位的几何形状对最终的磨耗比测试结果有较大影响。
G-ratio of PCD which ccosists of diamond and SiC is optimum.
２５ＧＦａ）条件下制备了Ｓｉ中介结合的聚晶金刚石，并用ＸＲＤ分析，ＳＥＭ观察及磨耗比测定对其组织与耐磨性进行了研究，结果表明：在ＰＣＤ组织的Ｐ－Ｔ图上，有三类组织特征，其中对应最佳磨耗比的组织由金刚石和ＳｉＣ组成。
The experiment results show that the G-ratio increase first and then decrease with sintering temperature increasing.
文章恒定合成压力,在不同的烧结温度和不同的烧结时间合成金刚石复合片,并测定磨耗比。