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- thermit readion 铝热反应
- However, arc temperature increase with thermit mixture increase in coating because of its great chemical heat effect. 焊条药皮中加入铝热剂,其反应生成的化学热效果明显,使水下焊接电弧的温度有显著升高。
- The combustion characteristics of the thermit in the presence of liquid phase in the field of gravitational forces were investigated. 研究了重力场作用下有液相生成的铝热剂的燃烧特性。
- By way of studying thehardness of rail weld after flash welding or thermit welding, it is shown that bainite rail AB1 has higher. 介绍了熄焦车轨道改造前存在的问题,对铝热焊接进行了理论分析,阐述了铝热焊接行车轨道的社会效益及经济效益。
- This paper analyzes various welding defects appearing in the process of thermit welding, and advances some control measures. 分析了铝热焊焊接过程中出现的各种焊接缺陷,并提出了预防措施。
- Next, some possible effects of iron powder or thermit mixture content in coating on the temperature of underwater welding arc are analyzed. 其次对焊条药皮中不同铁粉及铝热剂的含量对水下焊接电弧温度的影响作了较详细的分析。
- It was also shown that the configuration of the pre-pressed thermit powder and igniting spot would directly influence the flux, ... 成型粉末的组态和点火位置直接关系到热流及热的积累和损失,从而影响其SHS过程的实现与抑制。
- A new method of producing SnO_2 nano-wires is reported,which take thermit as crude materials basically,named thermal explosive deforming synthesis(TEDS). 研究了一种制备氧化锡纳米线的新方法-热爆形变合成法(TEDS)。
- The influence of mechanical vibration is studied on SHS thermit combustion, ceramic solidification, as well as microstructure and properties of the static SHS process. 研究了机械振动对SHS铝热燃烧、陶瓷凝固及复合管组织性能的影响。
- Tests were carried out to study SHS.process and its thermit reaction characteristics,including the combustion equation and propagation velocity of flame front, and so on. 本文研究了在铝热剂反应中所发生的SHS过程及其燃烧特性,其中包括自加热燃烧方程和燃烧波传播速度等。
- A new kind of ceramic resin lined composite pipe has been obtained by using resin to seal the pores of the ceramic lining of ceramic lined pipe produced by centrifigual thermit process. 采用树脂材料密闭离心铝热法制备陶瓷钢管内衬层气孔,从而获得具有防护耐磨双重功能的复合管材。
- Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady. 采用钢轨弹力紧固装置和钢轨铝热焊技术,减少钢轨接头,克服钢轨热胀冷缩带来的弊端,使得行车在钢轨上运行平稳可靠。
- Thermit reaction, a embranchment of SHS, uses the natural oxide as a low cost raw material, which has more prominent economic profits than the direct-compounded material with elements. 摘要热剂反应是自蔓延高温合成反应的一个分支,它采用成本低廉的天然氧化物作原料,比元素直接合成材料具有更显著的经济效益。
- Study of defect due to preheating in thermit welds 预热不当导致的铝热焊接头缺欠研究
- Microscale Experiment Research of Thermit Reaction 铝热反应的微型实验研究
- Keywords thermit;weld defect;rail; 铝热焊;焊接缺陷;钢轨;
- Keywords Castex bond diffusion thermit mechanism; 连续铸挤;复合;扩散;铝热机制;
- nonpressure thermit welding (NTW) 热剂铸焊
- Keywords thermit;combustion;gravitational field; 铝热剂;燃烧;重力场;
- Keywords static thermit \ SHS\ ceramic coating; 静态铝热法;自蔓延高温合成;陶瓷涂层;