2) Fine-grained steel
细晶粒钢
1.
Ultra-narrow-gap welding process with boned flux stuck on groove used forwelding fine-grained steel;
细晶粒钢的涂覆焊剂片超窄间隙焊
3) ultra-fine grained steel
超细晶粒钢
1.
Present status and developmental direction of high performance structural material-oriented ultra-fine grained steel;
面向高性能结构材料的超细晶粒钢研究现状及发展方向
2.
To investigate the refinement of the grains in the coarse grain heat affected zone(CGHAZ) of 400 MPa ultra-fine grained steel joints welded by gas tungsten arc welding(GTAW) with air cooling and water cooling,post welding normalization treatments(PWNT) are performed respectively for three times.
为研究400 MPa级超细晶粒钢焊接接头热影响区粗晶区的晶粒细化行为,对其空冷与水冷接头均进行了3次焊后正火热处理。
3.
This paper discussed the effects of Nb on the HAZ structure and properties of ultra-fine grained steel formed by the deformation inducement.
讨论了以形变诱导相变为主的超细晶粒钢在添加合金元素铌以后热影响区组织性能的变化。
4) ultra-fine grain steel
超细晶粒钢
1.
Research on ultra-fine grain steel welding with STT welder;
STT焊机在超细晶粒钢焊接中的试验研究
2.
Research and Development status of 800 MPa Grade Ultra-Fine Grain Steel;
800MPa级超细晶粒钢研究现状和发展趋势
3.
The formation and mechanical properties of welded joint for 400 MPa ultra-fine grain steel were studied based on surface tension transfer technology,CO2 arc welding,special narrow groove and different heat input.
研究了400MPa级超细晶粒钢基于表面张力过渡、CO2气体保护焊、特殊窄间隙坡口、不同热输入条件下的焊接接头的成形与力学行为。
5) ultra fine grained steel
超细晶粒钢
1.
Hardening process of welded joints of 400 MPa ultra fine grained steel;
400 MPa超细晶粒钢焊接接头的强化工艺研究
2.
The joints of manual arc welding of 400MPa ultra fine grained steel were treated by the means of mechanic surface hardening.
对400MPa级超细晶粒钢手工电弧焊接头进行了表面机械强化处理,并对强化处理前后焊接接头进行了组织性能分析。
3.
In this paper, the characteristics of ultra fine grained steels are firstly introduced Then its weldability is discussed,including properties and cracking susceptivity of HAZ and weld meta
介绍了超细晶粒钢的特点,针对这些特点,讨论了超细晶粒钢的焊接性,其中包括HAZ性能、焊缝性能、HAZ和焊缝的裂纹倾向等。
6) Ultrafine grain steel
超细晶粒钢
1.
Firstly the development of ultrafine grain steel is described,secondly the influence of grainrefining on comprehensive performance of steel material is expatiated,and the key technique of manufacturing ultrafine grain steel is introduced.
介绍了国内外超细晶粒钢的发展情况;阐述了晶粒细化对钢铁材料综合性能的影响,从微合金化、形变诱导相变、热处理和新型机械控制轧制技术及磁场或电场处理等方面介绍了获得细化晶粒钢的关键技术,最后从实际应用角度出发,提出了超细晶粒钢生产及应用中存在的问题。
2.
The present research of ultrafine grain steel is described,and the influences of ZrC particles on thermodynamic conditions,kinetic relation and ferrite grain refinement of deformation induced ferrite transformation (DIFT) in test steel containing ZrC particles during deformation of undercooled austenite are described.
介绍了国内外超细晶粒钢的研究现状,阐述了含ZrC颗粒的此类钢在过冷奥氏体形变过程中,ZrC颗粒对形变诱导铁素体相变的热力学条件、动力学关系和铁素体晶粒细化的影响;指出了外加第二相颗粒等增加聚集形变能缺陷的新方法是我国在现有装备轧制能力不足的条件下获得超细晶粒低碳钢中厚板的关键技术,以及今后低碳钢形变诱导铁素体相变晶粒细化的研究方向。
补充资料：细晶粒钢
fine-grainedsteel：加热到超过Ac3点相当多的温度，奥氏体晶粒仍然基本上未长大（但当到达某一高温，即晶粒粗化温度以上则急剧长大）的钢。
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