1) nano-Si3N4 ceramics
纳米氮化硅陶瓷
1.
The nano-Si3N4 ceramics with size of about 100nm were produced by hot press sintering and the thermal shock resistance was investigated.
研究结果表明,纳米氮化硅陶瓷表现出原始短裂纹扩展特征;起始粉末粒度对氮化硅陶瓷的力学性能和抗热震性有一定影响。
3) Si_3N_4 matrix nanocomposite ceramic tool material
氮化硅基纳米复合陶瓷刀具
1.
Aimed at the difficult problems of the lower fracture toughness and flexural strength of ceramic tools, the self-toughening and strengthening mechanisms of Si_3N_4 ceramics and the toughening and strengthening mechanisms of nano-scale composites were used to successfully develop the advanced self-toughening Si_3N_4 matrix nanocomposite ceramic tool materials.
本文针对目前陶瓷刀具断裂韧度和抗弯强度低的难题，利用氮化硅材料的自增韧补强机理和纳米材料增韧补强机理，成功地研制出了新型自增韧氮化硅基纳米复合陶瓷刀具材料，并对纳米复合粉体分散技术、刀具材料组分配比、烧结工艺、力学性能、微观结构、烧结机理、增韧补强机理、抗氧化机理和切削性能进行了系统深入的研究。
4) silicon nitride ceramics
氮化硅陶瓷
1.
As a new type tool material, the excellent capabilities of silicon nitride ceramics cutting tools ravel out many cutting problems of super hard materials.
氮化硅陶瓷是一种新型刀具材料,其优良的切削性能解决了超硬材料的加工难题。
2.
The dielectric property of silicon nitride ceramics was measured at 10.
通过添加烧结助剂,采用常压烧结工艺制备出不同气孔率(19%～54%)的氮化硅陶瓷。
3.
Silicon nitride ceramics is a sort of material of high temperature and high intensity structure which have been developed since 1950s.
氮化硅陶瓷是50年代发展起来的一种高温高强结构材料,由于其优异的高温力学性能和化学稳定性,在现代制造业中发挥着越来越重要的作用。
5) silicon nitride ceramic
氮化硅陶瓷
1.
However,it is difficult to make silicon nitride ceramic parts.
氮化硅作为高温功能陶瓷性能优越,但将其制备成陶瓷零件比较困难,目前一般用反应烧结法制备氮化硅陶瓷零件。
2.
In the paper, the dispersion of nano-Si3N4 powder, the influence of different nano-Si3N4 concentration on silicon nitride mechanical properties, the influence of the different nano-Si3N4 concentration on silicon nitride ceramic using properties, th.
本文以亚微米级氮化硅为起始原料,加入纳米氮化硅来增强基体,添加氧化铝和氧化钇为烧结助剂,等静压成型,采用无压烧结的方式来制备具有优良性能的氮化硅陶瓷。
3.
In this paper, the influence of sintering technology on the microstructure and mechanical properties of the silicon nitride ceramic were studied.
研究了烧结技术对氮化硅陶瓷显微结构和力学性能的影响。
6) silicon nitride
氮化硅陶瓷
1.
Hard and wear-resistant titanium nitride coatings were deposited by pulsed high energy density plasma technique on silicon nitride ceramic cutting tools at ambient temperature.
用高能量密度脉冲等离子体于室温下在氮化硅陶瓷刀具上成功沉积了高硬耐磨的氮化钛涂层。
2.
The effect of holding time on intergranular phase and mechanical property of GPS silicon nitride ceramics was studied.
研究了保温时间对气压烧结(GPS)氮化硅陶瓷晶界相及力学性能的影响。
补充资料：氮化硅晶须补强氮化硅陶瓷复合材料
分子式：
CAS号：
性质：以氮化硅陶瓷为基体，以氮化硅晶须为增强体的复合材料。它具有高强度、高硬度、耐高温、抗蠕变、抗氧化、抗化学腐蚀、抗热冲击、耐磨等优良性能，是一种重要的高温结构陶瓷。使用温度可达1300℃，可用在陶瓷刀具、拔丝模、轴承、涡轮转子、耐热坩埚等方面。采用粉末冶金复合法制备。这一复合材料的界面难以控制，一般氮化硅晶须要通过涂层，才能保持在烧结过程中的稳定性。
CAS号：
性质：以氮化硅陶瓷为基体，以氮化硅晶须为增强体的复合材料。它具有高强度、高硬度、耐高温、抗蠕变、抗氧化、抗化学腐蚀、抗热冲击、耐磨等优良性能，是一种重要的高温结构陶瓷。使用温度可达1300℃，可用在陶瓷刀具、拔丝模、轴承、涡轮转子、耐热坩埚等方面。采用粉末冶金复合法制备。这一复合材料的界面难以控制，一般氮化硅晶须要通过涂层，才能保持在烧结过程中的稳定性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条