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   reversible temper embrittlement 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.642秒
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reversible temper embrittlement
相关语句
  可逆回火脆性
    Investigation on Reversible Temper Embrittlement and The Mechanism of Structional Steel
    结构钢可逆回火脆性及其机理探讨
短句来源
  可逆回火脆性
    Investigation on Reversible Temper Embrittlement and The Mechanism of Structional Steel
    结构钢可逆回火脆性及其机理探讨
短句来源
  “reversible temper embrittlement”译为未确定词的双语例句
    It is shown that in a temperature range of reversible temper embrittlement grain boundary segregation of phosphorus is reduced while that of molybdenum is enhanced with the increase of carbon content.
    研究结果表明 ,在含钼钢中提高碳含量可降低在回火脆温度范围内磷的晶界偏聚 ,增加钼的晶界偏聚。
短句来源
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  reversible temper embrittlement
Reversible temper embrittlement has been frequently observed in many different low alloy steels serving at high temperature, e.g.
      
Grain Boundary Segregation Behavior in 2.25Cr-1Mo Steel During Reversible Temper Embrittlement
      
This paper investigates segregation of P during reversible temper embrittlement (96 h at 520 °C) of quenched and fully tempered 2.25Cr-1Mo steel by Auger electron spectroscopy and describes the segregation mechanism.
      
In contrast, a severe increase in fracture appearance transition temperature, due to reversible temper embrittlement, occurred in both steels at a service temperature of around 427°C (800°F), but not at the highest service temperature.
      
Isothermal tempering at 500 °C (within the region rendering low alloy steels susceptible to reversible temper embrittlement) induced acoustic emission activity in A533B steel during indentation loading.
      


The nature of bright lines on fracture surface (BRFS) of large 35CrMnMo steel forging has been studied by means of Scanning Auger Microprobe model PHI 600, and their formation mechanism has been defined. It is found that the BRFS was formed by intergranular brittle fracture induced by high phosphorus segregation in grain boundaries of austenite. The fracture is, in essence, a reversible temper embrittlement. Some measures for prevention or decrease of BRFS significant for improving qualities of turbine...

The nature of bright lines on fracture surface (BRFS) of large 35CrMnMo steel forging has been studied by means of Scanning Auger Microprobe model PHI 600, and their formation mechanism has been defined. It is found that the BRFS was formed by intergranular brittle fracture induced by high phosphorus segregation in grain boundaries of austenite. The fracture is, in essence, a reversible temper embrittlement. Some measures for prevention or decrease of BRFS significant for improving qualities of turbine rotor, pressure vessel and gun barrel have been raised.

用PHI600型扫描俄歇探针研究了35CrMnMo钢大锻件断口上亮线的本质,并确定了它的形成机制。结果表明,宏观断口上的亮线主要是磷在奥氏体晶界高度偏聚引起沿晶脆性断裂的结果,本质上属于高温回火脆。同时,还提出了减少或避免产生亮线的措施,对提高汽轮机转子、压力容器、火炮身管等大型重要构件的材质有实际意义。

The grain boundary segregation of phosphorus, molybdenum and carbon in Fe\|4Mo\|0.1P\|C steels quenched from 1160℃ and tempered in a temperature range of 400~650℃ was determined by Auger electron spectroscopy (AES) in conjunction with ion sputtering. Moreover, the effect of carbon content on the grain boundary segregation of phosphorus, molybdenum and carbon, as well as the interactions between carbon and phosphorus, carbon and molybdenum, phosphorus and molybdenum were examined and discussed. It is shown that...

The grain boundary segregation of phosphorus, molybdenum and carbon in Fe\|4Mo\|0.1P\|C steels quenched from 1160℃ and tempered in a temperature range of 400~650℃ was determined by Auger electron spectroscopy (AES) in conjunction with ion sputtering. Moreover, the effect of carbon content on the grain boundary segregation of phosphorus, molybdenum and carbon, as well as the interactions between carbon and phosphorus, carbon and molybdenum, phosphorus and molybdenum were examined and discussed. It is shown that in a temperature range of reversible temper embrittlement grain boundary segregation of phosphorus is reduced while that of molybdenum is enhanced with the increase of carbon content. However, the increase in molybdenum content increases the grain boundary segregation of carbon. The results indicate that there exists a behavior of co\|segregation between molybdenum and carbon, molybdenum and phosphorus. Moreover, the Mo\|driven increase in C segregation would in turn reduce that of Mo through the effect of P\|C repulsion and/or competition.

采用俄歇剥层分析测定了经 116 0℃淬火和 40 0~ 6 5 0℃回火的Fe 4Mo 0 1P C钢中磷、钼和碳的晶界偏聚。研究了碳含量对含钼钢中磷、钼和碳晶界偏聚的影响 ,以及碳和磷、碳和钼、磷和钼的交互作用。研究结果表明 ,在含钼钢中提高碳含量可降低在回火脆温度范围内磷的晶界偏聚 ,增加钼的晶界偏聚。碳的晶界偏聚随钢中碳含量的增加而增加。钼和碳、钼和磷具有晶界共偏聚行为 ,而碳和磷却产生相互排斥和 或占位竞争作用

 
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