烧结

To investigate the relationship between dandification mechanism of SiO2 particles and materials performance under different friction speeds, Cu-graphite-SiO2 sintered materials were prepared through powder metallurgy. The tests were conducted on a pin-on-disk tester in speed range of

摘 要：采用粉末冶金技术制备铜石墨SiO2烧结材料，利用销盘式摩擦试验机，在摩擦速度为7.8~47.1 m/s的范围内，研究SiO2在不同摩擦速度条件下的损伤机理及其与材料性能的关系。

The effects of the decarburization of the base metal on bubble formation in enamel coating, the relationship between hardness and firing temperature and time, the effect of crystal nucleus addition and influence of adding adhesive agent .

研究了搪瓷层的硬度与烧结时间和温度的关系，并分析了添加晶核形成剂对搪瓷层硬度的影响，以及搪瓷原料组成中的密着剂对搪瓷层和金属基板密着性能的影响。

Hydrogen Decrepitation has been used as an efficient and economical method in producing coarse NdFeB powder.

研究了氢对Nd-Dy-Fe-B磁体制作过程的影响，主要包括氢对HD磁粉的氧化和对其后烧结磁体磁性能的影响。

And hydrogen decrepitation , which can be used to shorten the production period, to decrease the cost and to improve the magnetic properties, is widely studied.

烧结NdFeB系永磁材料在当前工业生产中获得了广泛的应用，而氢破碎作为一种粗破碎手段，由于具有生产周期短、生产成本低和可提高磁体性能等优。。。

A manufacture method of anisotropic NdFeB magnet powders was investigated from sintered bulk magnets by hydrogen decrepitation.

作者中文名：强文江；汤虹；孙爱芝摘要：研究了通过吸氢破碎处理由烧结NdFeB磁体制取各向异性磁粉的方法。

We used DGY 2 permanent measurement meter to measure the magnetic properties and demagnetization curve .

对 15 78B7基一系列不同工艺条件下制取的取向度不同的烧结磁体，用 X-射线衍射和磁性测量来分析永磁体织构和取向度与反磁化过程的关系，用 DGY- 2型永磁测量仪测试磁体退磁曲线。

The process of densification was studied and the relationship between dwell time and density was established.

深入探讨了复合陶瓷的致密化过程，建立了复合陶瓷的密度和烧结时间之间的理论关系。

The effects of the sintering additive on the densification, microstructure and mechanical properties of the composites were investigated.

研究了烧结助剂对材料致密化、显微结构及力学性能的影响。

At optimal sintering temperature, a densification above 98% was obtained in all compositions.

在最佳烧结温度，复合材料的相对密度都超过了98％。

Compared with traditional densification methods,the samples prepared by SPS have high density,high purity and fine microstructures.

与传统烧结方法比较，SPS制备的样品具有很高的致密度、纯度和良好的晶体结构。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。