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    Numerical solution of burning temperature and explosive pressure of hydrocarbon gases in closed vessel
    容器内烃类气体燃爆温度与压力的数值解
    The Study of Pulse Shaping of Implosion Temperature Source
    辐射驱动内爆温度源脉冲整形研究
    The influences of thermodynamics, ingredient, explosion temperature and other factors on the morphology of products were investigated, then found 70wt%(Ti-C)-Al-Ni and 80wt%(Ti-C)-Al-Ni systems are found to be suitable to fabricate TiC particles reinforced aluminum matrix composites by SHS casting technology. The mechanical property and wear resistance of the composites were also tested.
    探讨Ti-C-Al-Ni体系热力学以及成分、热爆温度等因素对产物组织形貌的影响,给出了较佳的增强体系70wt%(Ti-C)-Al-Ni和80wt%(Ti-C)-Al-Ni,用SHS铸造法制备出TiC颗粒增强铝基复合材料,并进行了力学性能和耐磨性能的测试。
    At the thermo explosion temperature , the synthesised products consist of the (Ti,Nb)Ni matrix phase,the (Ti,Nb) 2Ni impurity phase and the eutectic phase β Nb(Ti,Ni) (Ti,Nb)Ni.
    当达到热爆温度时 ,热爆的产物内存在着基体相 (Ti,Nb) Ni,杂相 (Ti,Nb) 2 Ni和由 β- Nb(Ti,Ni)与基体 (Ti,Nb) Ni形成的共晶相 ;
    The results showed that the coefficient of dilatation, the rate of popcorn and kernel number of forming popcorn were all the highest, reaching 21.9%,99.5% and 96.5% respectively, while the percentage of non forming popcorn (3.0%) and the percentage of virgin kernels (0.5%) were the lowest, when popping temperature was 190~195℃ and moisture content of corn kernels was 14%.
    结果表明 ,烘爆处理时 ,当达到可爆温度(190~ 195℃ )、籽粒含水量 14 %时 ,其膨胀系数、爆花率、成形玉米花粒数最高 ,分别达 2 1.9%、99.5 %、96 .5 % ,不成形玉米花粒数少 ,为 3.0 % ,处女粒最少 ,仅为 0 .5 %。
    The disproportionation reaction Sm_2(Fe, Nb)_17H_y+H_2→SmH_y+α-Fe(Nb) begins at 500 ℃ and can continue to 900 ℃. The temperature for HD should be below 500 ℃.
    超过500℃时Sm2(Fe,Nb)17Hy+H2→SmHy+α Fe(Nb)发生歧化,直到900℃仍旧存在,故氢爆温度应低于500℃。
    The results show that 20%Fe10%AlCTi is a feasible system for fabricating surface particle-reinforced composites layer with lower thermal explosion temperature than 30% FeCTi system. Thermal explosion reaction can be fully completed at 1 200℃ for a 20% Fe10% AlCTi system. TiC particles of 1~2 μm in diameter and a few FeAl were attained.
    研究结果表明:20%Fe10%AlCTi是较理想的复合体系,其热爆温度低于30%FeCTi体系,在1200℃热爆反应可充分进行,获得颗粒尺寸为1~2μm的TiC和少量FeAl。
    Computation methods of explosion temperature and pressure of gas explosion in vessels
    容器内可燃气体燃爆温度与压力的计算方法
    The effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of NdFeB have been researched.
    研究了氢气压力、通氢时间、氢爆温度等基本工艺参数对磁性能的影响;
    As the initial temperature becomes higher, the two systems react more thoroughly.
    热爆温度越高,两体系反应越彻底;
    Immersing shakeout is a new shakeout method to be finished in water (at about 300℃) for steel casting cast in silicate bonded sand mould with YK-I breakdown agents, The experiment shows that this method had favored to reduce the residual stress of castings and lower the crack formation tendency as well as reduce the vibration and noise, so as to improve the working enviornments as compared water-explosion shakeout.
    水浴清砂是利用YK—1型溃散剂水玻璃砂造型、制芯、使铸件在300℃左右入水完成清砂作业的一种清砂方法。 与水爆清砂相比,由于入水温度比水爆温度明显降低(300℃左右),铸件残余应力大大下降,有利于提高铸件质量;
    Regular reaction sintering occured only as the heating temperature is lower than 1 173 K for thermo explosion reaction.
    当温度尚未达到热爆温度时 ,只能发生常规反应烧结 ;
    At the temperature higher than the thermo explosion temperature, the eutectic phase nearly disapperaed, while the matrix grains are coarsened.
    在较高的热爆温度下 ,共晶相基本消失 ,基体晶粒粗化
    BNCP was detonated when the environmental temperature is about 266℃. The cookoff temperature of BNCP is 248~260℃. 
    当环境温度接近药剂的热分解温度266℃时,药剂被烤爆,烤爆温度为248~260℃。
 

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