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temper martensite embrittlement
相关语句
  低温回火脆性
     The effect of As,Sn and Sb on tempor brittieness of 30 CrMnSiA steel is studied, It showeS that the temper martensite embrittlement is correlated with interlath carbides,which initiate quasi-cleavage fracture across the martensite laths,and the residual deleterlous eleni1ents may en han ced the embrittlement.
     研究了30CrMnSiA钢中复合加入不同量的砷、锡、锑对低温回火脆性及高温回火脆性的影响。 证实该钢的低温回火脆性是马氏体板条间碳化物析出产生的准解理断裂所致,有害元素的存在会加剧这种脆性的发展。
短句来源
     The different quantities of As and Sb were added to 30CrMnSiA steel,The influencing regulaties of these elementson temper martensite embrittlement were investigated by TEM,SEM and ABS.
     在30CrMnSlA钢中加入了不同量的砷(As)和锑(Sb),应用扫描电镜、透射电镜及俄歇能谱研究了这些元素对低温回火脆性的影响规律。
短句来源
     The results show that temper martensite embrittlement is correlated with interlace carbides whic h initiated quasl-cleavagefracture. Impurity elemcnts may incrcase extent of embrittlementand effect of Sb is stronger than As.
     结果表明该钢的低温回火脆性是马氏体条间碳化物析出而产生准解理断裂所致,杂质元素的存在则会增加脆性的程度,且Sb的作用明显强于As的作用。
短句来源
  回火马氏体脆性
     MECHANISM OF TEMPER MARTENSITE EMBRITTLEMENT
     回火马氏体脆性的机制
短句来源
  “temper martensite embrittlement”译为未确定词的双语例句
     EFFECTS OF AS AND Sb ON TEMPER MARTENSITE EMBRITTLEMENT IN 3OCRMNSIA STEEL
     砷锑对30CrMnSiA钢低温回火脆性的影响
短句来源
     some aspects of progress in martensitic transformation are summarized from the author's work,including: an existence of diffusion of interstitial atoms accompanying the diffusionless transformation, thermodynamics of martensitic transformation in ferrous alloys,effects of austenite condition on martensitic transformation,the formation of isothermal martensite in a quenched steel, a new mechanism suggested for the temper martensite embrittlement, thermodynamics of the thermoelastic martensitic transformation and crystallography of martensitic transformation.
     综述作者在马氏体相变研究中的一些新进展,包括:无扩散相变中存在间隙原子的扩散,铁基合金马氏体相变热力学,奥氏体状态对马氏体相变的影响,淬火钢中等温马氏体的形成,回火马氏体致脆的新机制,热弹性马氏体相变热力学,以及马氏体相变晶体学等。
短句来源
  相似匹配句对
     MECHANISM OF TEMPER MARTENSITE EMBRITTLEMENT
     回火马氏体脆性的机制
短句来源
     EFFECTS OF AS AND Sb ON TEMPER MARTENSITE EMBRITTLEMENT IN 3OCRMNSIA STEEL
     砷锑对30CrMnSiA钢低温回火脆性的影响
短句来源
     Temper Embrittlement of Steels for Heavy Forging
     大型锻件用钢的回火脆性
短句来源
     On Temper Embrittlement of 608 Cast Steel
     608钢回火脆性的研究
短句来源
     Fine Dispersive Carbide and Tempered Martensite Embrittlement
     细小弥散碳化物与回火马氏体脆性
短句来源
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The total driving force for the decomposition of retained austensite and that of martensite, the driving force for nucleation of cementite, the growth rate as well as the incubation period of the formation of cementite that precipitates from martensite and austenite are evaluated. The results reveal that in spite of the fact that the driving force for the decomposition of martensite is one order of magnitude less than that of austenite, the driving force for the nucleation of cementite that precipitates from...

The total driving force for the decomposition of retained austensite and that of martensite, the driving force for nucleation of cementite, the growth rate as well as the incubation period of the formation of cementite that precipitates from martensite and austenite are evaluated. The results reveal that in spite of the fact that the driving force for the decomposition of martensite is one order of magnitude less than that of austenite, the driving force for the nucleation of cementite that precipitates from martensite is far greater than that from austenite and the incubation period of the formation of cementite as it precipitates from martensite is one order of magnitude less than that from austenite. It is obvious that during the short time tempering, cementite firstly precipitates from martensite, while upon tempering with long duration, since the total driving force for the decomposition of the retained austenite is greater and the contraction of martensite resulted from its decomposition would enhance the decomposition of interlath retained austenite, the precipitation of cementite from austenite leads the temper martensite embrittlement-Therefore, as the segregation of the impurities(and cementite) on the grain boundary is not taken into consideration, the mechanism of the TME may be assumed to be the combination of the two related decomposition processes.

计算了残余奥氏体分解和马氏体分解的相变总驱动力,渗碳体自马氏体析出和自奥氏体析出的形核驱动力、长大速率和孕育期。计算结果揭示:尽管奥氏体分解的驱动力大于马氏体分解约一个数量级,但渗碳体自马氏体析出的形核驱动力远大于自奥氏体的析出,长大速率约大两个数量级,孕育期比奥氏体析出的约小一个数量级。可见在低温短时回火时,渗碳体先从马氏体内析出;当回火时间较长时,由于奥氏体分解的相变总驱动力较大,以及由于马氏体条内析出渗碳体引起的收缩,促使条间残余奥氏体的分解,形成回火马氏体脆性。因此当不计及杂质(及渗碳体)在原始奥氏体晶界的偏聚对,回火马氏体脆性的机制应为这两个分解先后互相关联的过程。

some aspects of progress in martensitic transformation are summarized from the author's work,including: an existence of diffusion of interstitial atoms accompanying the diffusionless transformation, thermodynamics of martensitic transformation in ferrous alloys,effects of austenite condition on martensitic transformation,the formation of isothermal martensite in a quenched steel, a new mechanism suggested for the temper martensite embrittlement, thermodynamics of the thermoelastic martensitic transformation...

some aspects of progress in martensitic transformation are summarized from the author's work,including: an existence of diffusion of interstitial atoms accompanying the diffusionless transformation, thermodynamics of martensitic transformation in ferrous alloys,effects of austenite condition on martensitic transformation,the formation of isothermal martensite in a quenched steel, a new mechanism suggested for the temper martensite embrittlement, thermodynamics of the thermoelastic martensitic transformation and crystallography of martensitic transformation. A part of these works was supported by NSFC.

综述作者在马氏体相变研究中的一些新进展,包括:无扩散相变中存在间隙原子的扩散,铁基合金马氏体相变热力学,奥氏体状态对马氏体相变的影响,淬火钢中等温马氏体的形成,回火马氏体致脆的新机制,热弹性马氏体相变热力学,以及马氏体相变晶体学等。其中部分工作得到国家自然科学基金委员会的资助。

The effect of As,Sn and Sb on tempor brittieness of 30 CrMnSiA steel is studied, It showeS that the temper martensite embrittlement is correlated with interlath carbides,which initiate quasi-cleavage fracture across the martensite laths,and the residual deleterlous eleni1ents may en han ced the embrittlement.The tempor brittleners is attributed to the segre8ation of impurity elemen ts to the prior austenite grain boundarices,which causes intergranular fracture,so the conten t of these elements...

The effect of As,Sn and Sb on tempor brittieness of 30 CrMnSiA steel is studied, It showeS that the temper martensite embrittlement is correlated with interlath carbides,which initiate quasi-cleavage fracture across the martensite laths,and the residual deleterlous eleni1ents may en han ced the embrittlement.The tempor brittleners is attributed to the segre8ation of impurity elemen ts to the prior austenite grain boundarices,which causes intergranular fracture,so the conten t of these elements in steel must be limited.

研究了30CrMnSiA钢中复合加入不同量的砷、锡、锑对低温回火脆性及高温回火脆性的影响。证实该钢的低温回火脆性是马氏体板条间碳化物析出产生的准解理断裂所致,有害元素的存在会加剧这种脆性的发展。高温回火脆性是有害元素偏聚到晶界,助长沿晶断裂所致。这些元素在钢中的含量必须加以限制。

 
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