酚 -甲醛有机气凝胶粉末经过高温碳化处理得到其碳气凝胶粉末。
Upon pyrolysis of organic aerogel powder at high temperature, the carbonized aerogel can be obtained.
木材陶瓷是一种以木材或其他木质材料为原料,经树脂浸渍、高温碳化而形成的一种新型多孔炭素材料。
Woodceramics was a new carbon material with porous structure. It was made of wood or woody material impregnated with phenolic resin and then charring treated at high temperature.
以间苯二酚和甲醛为原料,采用溶胶-凝胶工艺,结合高温碳化和溶剂替换常压干燥技术,制备了碳气凝胶。
Carbon aerogels were prepared from resorcinol and formaldehyde via sol-gel process, high temperature carbonization and atmospheric pressure drying technology with solvent replacement.
在高温烘烤过程中,棉纤维变成了碳纤维,后者再与硼溶液发生反应生成碳化硼。
The strips were later removed from the solution and heated in an oven. The heat changes the cotton fibers into carbon fibers, which react with the boron solution and produce boron carbide.
母体长丝,诸如丙烯腈或纤维素(主要是人造丝)等在高温下碳化。
Precursor filaments such as acrylic or cellulose (mainly rayon)are carbonized at high temperature.
对亚共晶白口铸铁经高温形变后所获得的碳化物在等温球化过程中球化长大进行了研究。
The spheroidizing grow, in isothermal spheroidizing process, of carbides formed from deformation under high temperature in, hypoeutectic white cast iron is studied.
该方法被广泛应用于各种高温合金、中低合金钢、微合金化钢中碳化物、金属间化合物的粒度尺寸分布的测定。
The present method has been used for the particle size determination of carbides and metal precipitates in microalloyed steel, middle-alloy steel and high-temperature alloys.
在长期时效中,合金存在不同类型碳化物之间的转变,较低温度时向M _ (23) C_6型碳化物转变,较高温度时向MC型碳化物转变。
Different precipitation types of carbide in the alloy are transformed in long time aging treatment, turn to M_ (23) C_6 type at lower temperature and turn to MC type at higher temperature.
结果表明:晶内强度随碳化物动态析出量的增加而上升,高温塑性随之而降低。
The high-temperature ductility deteriorates and intra-granular strength increases with an increases of dynamic precipitation of carbide.
高温余热回收用的碳化硅换热器,是近几年才出现的一种新型换热器。
The silicon carbide heat exchanger for high-temperature heat recovery is a new one appeared in the last years.
对纳米碳化硅的高温高压稳定性和分解行为进行了实验研究。
The stability and decomposition behavior of SiC nanometer powders was studied under the high pressure and high temperature.
碳化硅粉末经压制成型后,在高温常压下固相烧结制成多孔碳化硅样品。
Sample of porous SiC polycrystals are prepared by solid sintering process under high temperature and normal pressure using moulding SiC powder.
我厂所制备的氧化铬、氧化铝陶瓷涂层和碳化钨金属涂层有着耐磨损、耐腐蚀、耐高温等优良性能。
I plant of the chromium oxide, alumina ceramic coating and has a tungsten carbide metal-resistant coating wear, corrosion resistance, high temperature, and other fine performance.
由于共晶碳化物高温稳定性不良,使得其不能发挥应有的提高材料磨损抗力的作用,导致合金磨损体积急剧增加,磨损抗力下降。
The obtained results show that the carbide can not act as a resistant to wear if its chemical stability at elevated temperature is too bad, and the wear resistance of the alloy is decreased rapidly.
真空室壁经过碳化、硅化等处理得到高温度稳定约束的ULQ等离子体。
ULQ plasma with fine confinement and high temperature is obtained after wall carbonization and siliconization.
对碳、硅对低合金白口铁中碳化物形态在高温下的变化程度的影响进行了试验研究。
The tests and research are made on the effects of carbon and silicon amount on the deforming extent of the carbide form contained in white cast iron of dilute alloy under high temperature.
其高温回火脆性是晶界上m_6c碳化物的析出长大和由此所产生的晶界磷偏聚共同作用的结果。
The tempering embrittlement results from the precipitation and growth of M_6Ccarbides particles and the segregation of phosphorus at prior austenite grain boundaries.
高温顺磁性奥氏体在外强磁场的作用下可发生磁化变形,使奥氏体形成高密度的位错胞结构,并有弥散碳化物析出。
This dislocation cell structure is inherited by martensite, restricts the growing of the martensite and refines the structure so as to strengthen and toughen the magnetic field quenched materials.
采用碳化铬、镍铬合金、氟化物共晶体和银的复合粉末为原料,通过等离子体喷涂方法制备高温耐磨自润滑涂层。
Self-lubricating wear resistant coating is prepared by plasma spraying using chromium carbide, nickel chrome, fluoride-metal, and silver composite materials.
产品特点:硅莫砖以阳泉特级矾土熟料和碳化硅为主要原料,经高压成型、高温烧结而成。
Properties of Products: The raw materials for this product are Yangquan bauxite and SiC, being pressed and sintered.
研究了铌对M2高速钢的共晶碳化物组织和共晶碳化物高温球化的影响。
The effect of Nb on the as-cast microstructures and the prespheroidization at elevated temperature of eutectic carbides of M2 high speed steel was studied.
揭示了钢中铈碳化物的生成条件、分布、组成、光学性质、某些化学性质和高温下的转变。
The conditions necessary for its formation and its distribution, composition, optical and chemical properties, and transformation at high temperature in steel are also investigated.
探讨了碳化硅吸收剂粒度、含量和涂层厚度对耐高温毫米波隐身涂料的吸波性能影响。
It has been discussed that the content and the granularity of SiC absorbent, the thickness of coat influenced the property of. Absorb-wave of the resistance high temperature stealth coating.
碳化锆是一种重要的高熔点、高强度和耐腐蚀的高温结构材料。
Zirconium carbide, ZrC, is an important high temperature structural material with very high melting point, excellent strength and good corrosion resistance.
采用WCF - 2多用磁性分析仪对高温高压烧结的人造金刚石聚晶及其合成原料(金刚石粉、硅粉、钛粉、石墨)和烧结过程中生成的碳化硅等进行了磁性测量。
The magnetism of the synthetic polycrystalline diamond and its raw materials including diamond powder, silicon powder, titanium powder, graphite and resultant carborundum was measured by WCF-2.
本文综述了材料在高温含碳气氛中的腐蚀,包括金属粉化和碳化,讨论了材料在含碳气氛中的腐蚀机理和腐蚀动力学。
In this paper, the corrosion of materials in carbonaceous atmospheres at high temperatures is reviewed, including metal dusting and internal carburization.
碳化硅基陶瓷是应用于高温工作环境下的理想材料,但其高温氧化影响了它的进一步应用。
Silicon carbide based ceramics are promising materials applied in high-temperature environments. But their further application is limited by oxidation in high temperature.
碳化硅基陶瓷是应用于高温工作环境下的理想材料,但其高温氧化影响了它的进一步应用。
Silicon carbide based ceramics are promising materials applied in high-temperature environments. But their further application is limited by oxidation in high temperature.
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