1) δ Ferrite
δ铁素体
1.
Through microstructure analysis,the different number of δ ferrite is the main cause to these phenomena.
通过金相组织分析得知,δ铁素体的明显不同是造成断裂机理及冲击功不同的主要原因,并就化学成分和加工热处理对形成δ铁素体的影响进行探讨,为类似活塞杆断裂事故分析提供参考。
2.
The content of δ ferrite in 316L austenitic stainless steel has a distinct effect on the steel\'s surface quality,hot ductility and mechanical properties.
奥氏体不锈钢316L中的δ铁素体含量对其表面质量、热加工性能和力学性能方面有着明显的影响。
2) δ-ferrite
δ铁素体
1.
Effect of δ-ferrite on impact properties of 12%Cr rotor steel for ultra-supercritical steam conditions;
δ铁素体对12%Cr超超临界转子钢冲击性能的影响
2.
The matrix of the powders was principally austenite;as the particle size decreased,the matrix changed from austenite to a composite consisting of austenite andδ-ferrite.
粉末基体组织以奥氏体为主,仅小粒径粉末基体由奥氏体与δ铁素体组成。
3.
The results obtained by SEM,EDAX,AES and metallographic analysis have showed that the surface films of the weld metals after sodium corrosion mainly consist of chromium carbides and NaCrO2, and corne off to form sodium corrosion pits in some area,the pattern of sodium corrosion is the pitting and preference solution of δ-ferrite, the mean corrosion depth of the met.
SEM,EDAX,AES和金相分析表明,钠蚀后焊缝表面膜主要由铬的碳化物、NaCrO_2组成,局部脱落形成钠蚀坑,钠蚀形态为点蚀和δ铁素体优先溶解,平均钠蚀深度为7。
3) δferrite
δ铁素体
1.
In addition,blades materials with higher content ofδferrite resulted in the decrease of strength and hardness,which induced to the micro plastic deformation and the propagation of fatigue cracks.
结果表明:叶片断裂源位于其进气面打伤坑部位,当叶片承受复杂交变外应力作用时,叶片表面承受较大应力作用,打伤坑成为应力集中区,导致叶片疲劳断裂源的产生、扩展及断裂;另外叶片材料中δ铁素体含量较高,会使叶片局部区域强度及硬度降低,易产生微观塑性变形,促进疲劳裂纹的扩展。
4) δ-ferrite
δ-铁素体
1.
The high δ-ferrite number(level)in 1Cr18Ni9Ti austenitic stainless steel is the main factor to affect its rolling(forging)billet surface quality.
1Cr18Ni9Ti奥氏体不锈钢中δ-铁素体数量(级)过高是影响其轧(锻)坯表面质量的主要因素。
2.
With Thermocalc thermodynamic equilibrium phase calculations and experimental analysis,the effect of chemical compositions and heat treatment temperature on δ-ferrite content in T122 heat resistant steels was studied.
采用Thermocalc热力学计算研究了化学成分和温度对T122钢中δ-铁素体含量的影响,计算和相应试验结果表明,化学成分和热处理温度变化对δ-铁素体含量影响显著,铬含量降低,氮含量和碳含量增加,能明显降低δ-铁素体含量。
3.
Due to large amounts of ferrite former in the steel,the formation temperature ofδ-ferrite is lowered down,and thereforeδ-ferrite is apt to be produced during hot working.
采用光学显微镜、扫描电镜和能谱分析研究了含W型10%Cr(质量分数)超超临界钢中δ-铁素体的组织形貌与微观结构。
5) the morphology of δ ferrite
δ-铁素体形态
6) morphology of δ-fe rrite
δ-铁素体的形态
补充资料：δ-铁
δiron：铁基合金系中从凝固开始温度至凝固结束这个温度区间内存在的、固溶有碳或其他元素的、晶体点阵为体心立方的固溶体。也称高温铁素体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条