This kind of refractory castables have good flow characteristics and excellent mechanical properties, and their hot rupture strength is better than that of ultra-low cement bonded corundum castables. 硅溶胶结合刚玉浇注料具有良好的流动性和常温强度,其高温热态抗折强度高于水泥结合刚玉浇注料。
The Change of hot strength of iron ore pellets during oxidizing roasting and reduction was researched. 研究了球团矿在氧化焙烧和还原过程中抗压强度的变化规律。
It is suggested that to more efficiently improve the cold strength and hot strength of the coke, the coking time should be properly prolonged if production conditions are permitted. 建议在生产条件允许的情况下,应适当延长结焦时间,可以改善焦炭的冷热态强度。
Research on Improving Impact Property at Low Temperature of Hot Rolled High Strength Section Steel 提高热轧高强度型材低温冲击性能的研究
The paper introduces producting technology of hot rolling high strength double-faced enamelled steel, study on mechanism how to realize properties of double-faced enamel and high yield strength. 本文介绍了鞍钢热轧高强双面搪瓷钢的生产工艺,并对实现良好的双面搪瓷性能和高屈服强度的机理进行了研究和分析。
Due to the formation of low melting calcium-aluminates the corrosion resistance and hot erosion strength are reduced. 由于低熔点的铝酸钙的形成,火砖的抗腐蚀能力和抗热蚀强度降低了。
By means of perfect combustion of fuel in chamber, the strengthened combustion technology improved the heat transfer of radiant chamber, increased the mean hot strength of furnace tube, increased the total heat load of furnace, so the requirement of expanding capacity of furnace was realized. 强化燃烧技术通过燃料在燃烧室内的完全燃烧,改善了辐射室内的传热,提高了加热炉炉管的平均热强度,提高了加热炉总热负荷,从而实现了加热炉的扩能要求;
Currently, domestic hot-shear blade is mainly made of integral high-alloy steel. Hardness was lowered in pursuit of high resistance to impact, causing lack of hot strength and poor high-temperature wear performance, and finally resulted to low service life. 目前国内的热剪刃主要是由整体高合金钢制造,为了追求耐冲击性能,而降低了硬度,造成工作热强度不足,高温磨损性能差,导致使用寿命低;
Study of the Hot Strength of Remelted Ni-based Alloy Coating 镍基合金重熔层热强度研究
Based on the temperature variety in the underfloor air supply system for cooling wall, analyzed the temperature field and the air flow distribution caused by the descent of air flow for the cooling wall on certain hot source strength and air supply condition. 通过对具有冷却壁面的下送风系统中室内空气的温度变化进行实验研究,分析讨论了在一定热源强度和送风条件下,因冷却壁面导致的下降流的空气温度场和气流分布。
The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing. 钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向,并使耐热钢的热强性降低。
Abstract In order to improve the cold and hot strength of granulated particles and the permeability of sinter bed, for increasing the sinter productivity and quality, the laboratory granulation study. 为了提高烧结矿质量,解决细精矿烧结料层透气性问题,采用了千分之几的H粘结剂,以强化细精矿混合料的制粒效率,提高制粒小球的冷、热态强度。
The experiment results show that the lime-upright-furnace briquette prepared according to the optimal scheme obtained in this experiment has the excellent cold strength, hot strength and heat stability, which can demand the industrial production of lime-upright furnace. 试验结果表明:研制的石灰立窑代焦型煤具有良好的冷、热态强度及热稳定性,能满足石灰立窑工业生产的需要。
The prepared castables have high hot strength, low shrinkage rate at high temperatures and high corrosion and penetration resistances. 实验证明,制得的镁锆铬质浇注料高温强度较高,高温收缩率较小,抗渣侵蚀和渗透能力较强。
The results indicate that the formation of aluminum titanate can improve the thermal shock resistance and the hot strength of corundum refractories remarkably, and that it is possible to produce corundum refractories with super properties. 结果表明:钛酸铝的形成可显著提高刚玉质耐火材料的热震稳定性及热态强度,从而有望生产出性能更加优良的刚玉质耐火材料。
Investigation for Matrix on Hot Fatigue Strength of Vermiculate Graphite Cast Iron 基体组织对蠕墨铸铁热疲劳性能的影响
The hot strength of coke can be improved by spraying passivator on the surface of coke. 向焦炭表面喷洒钝化剂溶液可以改善焦炭热态强度。
Pre and Post Processing Method and Its Applications in Hot Pressing Strength Analysis of T-Connections 有限元前后处理方法在三通热压强度分析中的应用
Coking experiments were made in 20 kg coke oven by adding waste plastics into blending coal. The coke yield, cold and hot strength were inspected. 在炼焦煤中配入一定量的废塑料,利用20kg焦炉进行炼焦实验,分析所得焦炭的产率、冷态和热态强度。
Hot roll bonding strength and interfacial characteristics of high damping laminate aluminium alloy sheet 高阻尼铝合金层压板热轧复合结合强度和界面特性
Research of Rolling and Bending Forces Setting of Skin-pass Mill for Hot Rolled High Strength Steel 热轧高强钢平整机轧制力与弯辊力设计研究
Computation and Simulation of Strain Distribution for Hot Rolled High Strength Plate 高强度钢板热轧应变分布的计算和模拟
The microstructure of corundum-mullite duplex can be controlled by adjusting microsilica, alumina and firing temperature, which can improve hot strength of corundum-mullite duplex ceramic. 通过调节硅微粉、氧化铝微粉及烧结温度可控制刚玉莫来石复相陶瓷的显微结构,改善刚玉莫来石复相陶瓷的高温强度。
The influence of calcium stearate addition on the hot cracking time of coated sand and its effects on the hot compression strength, thermoelastic modulus and sudden heating expansion rate were investigated. 研究了硬脂酸钙添加量对壳型覆膜砂热开裂时间的影响,并考察了其对热压强度、热弹性模量及暴热膨胀率的作用。
Meanwhile, ZZZ had a negative catalyst effect to the reaction of the coke and CO2. It increased the hot strength of coke. 同时ZZZ对焦炭与CO2的反应有负催化作用,焦炭反应性降低,焦炭热态强度提高。
Then the mechanical properties of the tensile strength, elongation at break, hot sealing strength, impact strength, friction coefficient etc. of the antibacterial LDPE film were tested, meanwhile, its health performance was also checked. 测试了抗菌LDPE膜的拉伸强度、断裂伸长率、热封强度、冲击强度、摩擦系数等力学性能,同时评价了抗菌薄膜的卫生性能。