1) Cooling,after postweld heat treating
冷却，焊后热处理
2) post welding heat treatment
焊后热处理
1.
This study is concerned with the effect of post welding heat treatment(PWHT)on the microstructure and properties at the intercritical reheated coarse-grained heat-affected zone(IRCGHAZ)of WB36 steel, and investigated whether the PWHT could reduce IRCGHAZ embrittlement.
针对WB36钢(15NiCuMoNb5)临界再热粗晶区(IRCGHAZ)存在的脆化现象,研究了焊后热处理对模拟临界再热粗晶区(IRCGHAZ)组织性能的影响,探讨其改善韧性作用。
2.
This paper studies the technology,equipment and properties of post welding heat treatment of the RE microalloy quenching rail which was heated with medium frequency induction and quenched with pressure air for head of,normalized for other of.
通过热模拟试验选择了合理的焊后热处理工艺参数，恢复了轨头强度和硬度，并大幅度地提高了焊接接头的韧塑性和综合性能，满足了无缝线路铺设使用要求。
3.
It is pointed out that post welding heat treatment will not significantly improve residual stress in dissimilar steel welding joints unless correct and appropriate heat treatment procedures are taken.
文章主要讨论了焊接热处理对火电站管道异种钢焊接接头带来的问题,分析了热处理对接头组织、焊接残余应力的影响,指出通过焊后热处理可以明显改善电厂管道异种钢焊接接头残余应力,但要使用正确和合适的热处理工艺。
3) postweld heat treatment
焊后热处理
1.
Effect of postweld heat treatment on microstructure of electron beam welded joints of Ti_3Al;
焊后热处理对Ti_3Al电子束焊缝组织形态的影响
2.
Numerical value analysis on reduction of welding residual stresses with postweld heat treatment on P91 pipes;
焊后热处理消除P91钢管焊接残余应力的数值分析
3.
Based on Barkhausen Noise,as-welded residual stresses and residual stress after postweld heat treatment of 16MnR(include weld- ing metal,fusion zone,heat affect zone)were measured by using magneto-elastic method with 20～70 kHz frequency & 0.
07mm的STRESS- CAN500C磁弹性应力仪,测量了压力容器用16MnR钢焊后以及焊后热处理的残余应力(包括焊缝、熔合区、热影响区),研究了残余应力的形成、不同区域的分布。
4) Post weld heat treatment
焊后热处理
1.
The application and requirement of post weld heat treatment used by spherical tanks are summarized.
概述了球罐的应用及对焊后热处理的要求,详细介绍了国内球罐热处理技术的新进展,包括电加热法、爆炸法、内燃法、电加热辅助燃油法,还展望了该领域技术的发展前景。
2.
The influence of different post weld heat treatment conditions on the microstructures and mechanical properties of friction welded joints between drill pipe DZ60 steel and its tie in 40Cr steel has been discussed.
同时发现 ,采用合适的焊后回火热处理温度 ,可以有效提高焊接接头的抗拉强度及屈服强度 ,使其各项力学性能达到DZ6 0钻杆管材的技术标准 ,从而有效减少地质钻杆摩擦焊接头焊后热处理工艺 ,降低制造成
3.
The effect of post weld heat treatment on the impact toughness in inertia friction welded joints of carbon steel was studied in this paper The result show that the post weld heat treatment greatly affected the impact toughness of inertia friction welded joints The impact toughness of the welded joints can be improved by an adequate post weld heat treatmen
研究了焊后热处理对碳钢惯性摩擦焊接头冲击韧性的影响。
5) post-weld heat treatment
焊后热处理
1.
Effect of post-weld heat treatment on microstructure and mechanical property of manual SHS welding
焊后热处理对手工自蔓延焊接接头组织性能的影响
2.
The experiment results show that the welding defects can be decreased by using preheat and post-weld heat treatment.
试验表明 ,采取焊前预热 ,焊后热处理的TIG焊工艺进行焊接可以减少焊接缺陷的产生。
3.
Effects of post-weld heat treatment on the mechanical properties of Al-Li alloy 2091 joints are studied in this paper.
研究了2091铝锂合金焊后热处理对焊接接头机械性能的影响。
6) PWHT
焊后热处理
1.
Feasibility of canceling PWHT of Cr5Mo steel pipe with P5 electrode;
P5焊条焊接Cr5Mo钢管取消焊后热处理可行性研究
2.
MICROSTRUCTURE INVESTIGATION OF 12Cr1MoV STEEL SMALL DIAMETER TUBE JOINT CANCELING OUT POST WELDING HEAT TREATMENT(PWHT);
12Cr1MoV钢小直径管焊接接头取消焊后热处理的组织研究
3.
For the quality of product,we must control the rechecking of material,shell rolling,welding,NDT,PWHT very well to increase whole quality of the shell.
为了保证氨合成塔的制造质量,应加强对该设备从材料的检验、内筒卷制、焊接、探伤、焊后热处理等全过程的质量控制,从而提高筒体制造的整体质量。
补充资料：冷却
分子式：
CAS号：
性质：使热物体的温度降低而不发生相变化的过程。冷却的方法通常有直接冷却法和间接冷却法两种：(1)直接冷却法，直接将冰或冷水加入被冷却的物料中，最简便有效，也最迅速，但只能在不影响被冷却物料的品质或不致引起化学变化时才能使用，也可将热物料置于敞槽中或喷洒于空气中，使在表面自动蒸发而达到冷却的目的；(2)间接冷却法，将物料放在容器中，其热能经过器壁向周围介质自然散热，被冷却物料如果是液体或气体，可在间壁冷却器中进行，夹套、蛇管、套管、列管等式的热交换器都适用。冷却剂一般是冷水和空气，或根据生产实际情况来确定。
CAS号：
性质：使热物体的温度降低而不发生相变化的过程。冷却的方法通常有直接冷却法和间接冷却法两种：(1)直接冷却法，直接将冰或冷水加入被冷却的物料中，最简便有效，也最迅速，但只能在不影响被冷却物料的品质或不致引起化学变化时才能使用，也可将热物料置于敞槽中或喷洒于空气中，使在表面自动蒸发而达到冷却的目的；(2)间接冷却法，将物料放在容器中，其热能经过器壁向周围介质自然散热，被冷却物料如果是液体或气体，可在间壁冷却器中进行，夹套、蛇管、套管、列管等式的热交换器都适用。冷却剂一般是冷水和空气，或根据生产实际情况来确定。
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