1) widmanstatten structure
魏氏组织
1.
By comparing the ribbed bars with brittle fractures to the qualified rebars,it has been found that the widmanstatten structure,the rolling defects and the high inclusion are the major causes.
结果表明,魏氏组织较多、轧制缺陷及夹杂物过多是造成脆断的主要原因,并提出了相应的解决措施。
2.
The results of metallographical analysis of cracks in welding seams,show that widmanstatten structure is usually unavoidable in the welding process; however some meassures should be paid to welding failures can be taken to weliminate or minimize its influence,and attention about the easily neglected factor, that due to environment temperature change.
对焊接接头处出现的裂纹进行了金相分析,表明该部位在焊接过程中出现的魏氏组织在常规条件下是不可避免的,但是通过一些补救措施可以消除它的影响或将其影响降至最低程度,提出了环境温度的差异是造成焊接失败的因素。
3.
The results show that the appearance of Widmanstatten structure,upper bainite and martensite in the structure of 20MnSi HRB is the main cause making the yield point disappear.
结果表明 :2 0 Mn Si热轧带肋钢筋中出现的魏氏组织、上贝氏体及马氏体组织是使屈服点消失的主要原因。
2) widmanstatten microstructure
魏氏组织
1.
Study on constitutive relationship for TC11 titanium alloy with thick laths widmanstatten microstructures deformed in two phase field;
粗片状魏氏组织TC11钛合金两相区本构关系研究
2.
The stress relaxation behavior of Ti-6Al-4V alloy with widmanstatten microstructure at 200℃, 400℃ and 600℃ were investigated, and microstructures before and after stress relaxation were observed by TEM.
利用弯曲应力松弛方法研究了魏氏组织Ti-6Al-4V合金200℃,400℃和600℃时的应力松弛行为,并利用TEM研究了应力松弛前后微观组织变化;宏观热力学参数结合微观组织观察初步探讨应力松弛机理。
3) ferrite side plate
魏氏组织铁素体
1.
The results showed that the microstructures in CGHAZ of Ti-treated steel consisted chiefly of grain boundary ferrite,ferrite side plate and intragranular ferrite,but there were only grain boundary ferrite and ferrite side plate in CGHAZ of C-Mn steel.
结果表明,C-Mn钢焊接粗晶区主要为晶界铁素体+魏氏组织铁素体;钛处理钢焊接粗晶区主要为晶界铁素体+魏氏组织铁素体+晶内铁素体组织。
4) widmanstatten sawteeth
锯齿状魏氏组织
1.
Surface relief effects associated with the widmanstatten sawteeth in an Fe-0.
37C（质量分数，％）钢中的锯齿状魏氏组织产生表面浮凸，发现其浮凸是由多片魏氏组织片条组成的浮凸群，浮凸高度约为60—170nm，低于其形核处仿晶型铁素体的表面浮凸。
5) Coarse grain widmanstatten
粗晶魏氏组织
6) widmanstatten
魏氏组织(widmanstatten structure)
补充资料：魏氏组织(widmanstatten structure)
分子式：
CAS号：
性质：又称魏氏组织(widmanstatten structure)。钢中相形态之一。通常指先共析铁素体或渗碳体加珠光体的组织。呈片状或针状。对亚共析钢，魏氏体呈片状、羽毛状、三角形或几种形态混合的铁素体构成，对过共析钢，魏氏体呈针状或杆状的渗碳体组成。一般低、中碳钢，当冷却速度适当时，都可能产生魏氏体。钢中出现魏氏体会引起钢的强度、韧性与塑性的降低，使韧脆转化温度升高。常采用退火或正火的方法细化晶粒，消除魏氏体。
CAS号：
性质：又称魏氏组织(widmanstatten structure)。钢中相形态之一。通常指先共析铁素体或渗碳体加珠光体的组织。呈片状或针状。对亚共析钢，魏氏体呈片状、羽毛状、三角形或几种形态混合的铁素体构成，对过共析钢，魏氏体呈针状或杆状的渗碳体组成。一般低、中碳钢，当冷却速度适当时，都可能产生魏氏体。钢中出现魏氏体会引起钢的强度、韧性与塑性的降低，使韧脆转化温度升高。常采用退火或正火的方法细化晶粒，消除魏氏体。
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