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ceramic相关的网络例句

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MAS precursor powders were uniaxially pressed at 100 MPa employing a lubricated steel cylindrical mold. After sintering at 1450℃ for 2 hours, Single-phase cordierite ceramic is prepared, and its relative density is 95.1%.

以硫酸铝、硝酸镁和硅溶胶为原料,采用溶胶-凝胶法,制得MAS先驱体粉末,XRD表明,该粉末经1300℃的热处理后,完全转变为堇青石。

Friction and wear behaviors were studied for Ti_3SiC_2/SiC multiphase ceramic s/45 steel pairs under unlubricated and lubricated.

研究了由热等静压原位合成的Ti3SiC2/SiC复相陶瓷与45#钢在干摩擦和边界油润滑条件下的摩擦磨损特性。

The microstructure, phases composition and microhardness of the coating were analyzed and measured by SEM, XRD and microhardness testers respectively, and the friction and wear properties of the specimens sliding against Al2O3 ceramic in a ball-on-discmode and under unlubricated condition were investigated.

中文摘要:采用粉末包埋法在P110钢表面制备渗铬层;借助扫描电子显微镜、X射线衍射仪和显微硬度计,对渗铬层的显微组织、相组成和显微硬度进行了分析和表征,并通过无润滑条件下的球-盘式摩擦磨损试验研究了渗铬处理对其摩擦磨损性能的影响。

Wear mechanism for couple consisting of Si 3N 4 ceramic and chilled cast iron under unlubricated condition were studied throug h block-pin test.

研究了无润滑条件下 Si3N4陶瓷-白口铸铁磨擦副的磨损机理。

The Ti_3SiC_2-SiC multiphase ceramic were fabricated by in situ synthesis under hot isostatic pressing.The examinations indicate that,the dominant wear mechanisms change with load increasing under unlubricated conditions,it is main abrasive wear under low load,and it is main adhesion wear under high load.Lubricating oil improves the friction coefficient and wear rate of Ti_3Si...

结果表明:干摩擦条件下随载荷的变化,占主导地位的磨损机制将发生变化,在低载荷下以磨粒磨损为主,高载荷下以粘着磨损为主;同干摩擦相比,润滑油对摩擦副的摩擦磨损性能的改善均很显著;Ti3SiC2/SiC复相陶瓷的磨损主要由粘着和微断裂引起的。

In recent years, some non-metallic anti-corrosion materials, such as plastic, fiberglass, glass, ceramic, unpenetrable graphite and so on, are widely used in chemical production and have obtained remarkable effects.

近年来,一些非金属防腐材料,如塑料,玻璃钢,玻璃,陶瓷和不透性石墨等,在化学生产中得到的广泛的应用,取得了显着的效果。

The unrational structure of ceramic burner and the reduction of gas thermal value lead to its deficiency in capacity is demonstrated by theory analysis and model experiment.

通过理论分析得出了煤气热值下降和陶瓷燃烧器的结构不合理是导致套筒式陶瓷燃烧器能力不足的主要原因,模型实验证明了燃烧器的结构是其主要因素。

It was found that PLZT was easily reduced and the thickness of reduced layer had a linear relationship with the reduction time; The optimal conditions for PLZT were determined to be 950℃ for 1~5 hours; Reduced PLZT was composed of reduced and unreduced layer obviously and the reduced layer was transgranularly fractured while the unreduced ceramic was intergranularly fractured; Metallic lead and refractor oxides (PbO, ZrO2, TiO2, etc.) were found in the reduced layer, however, the crystal structure of PLZT was not found.

研究表明,PLZT具有较好的还原性能,还原层厚度与时间有线性关係,理想的还原条件为:950℃保温1~1.5h;还原样品有明显的分层结构,还原层表现出穿晶断裂而未还原层则是沿晶断裂的特徵;还原层主要由金属Pb及PbO, ZrO2, TiO2等氧化物组成,原先的晶体结构已不存在。

Talking about the Spanish ce-ramic sector means talking about the ceramic sector in the Valencian Community, which is located at the east of the country and hoards the 90% of the production.

谈到西班牙陶瓷行业,就不得不提及位于西班牙东部的瓦伦西亚自治区的陶瓷行业,它的产量占西班牙陶瓷总产量的90%。

Lead is also used in some ceramic and vino vinyl products, candles, hair coloring and other goods.

铅也被用于制造陶瓷和乙烯基产品、蜡烛、染发剂和其他产品。

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