1) low temperature toughness
低温韧性
1.
Study on low temperature toughness and microstructure on base metal and welded joint of X80 pipeline steel;
X80管线钢及其接头的低温韧性和显微组织
2.
Influence of different thermal cycle on low temperature toughness in coarse-grained HAZ of 9Ni steel
多次热循环对9Ni钢热影响粗晶区低温韧性的影响
3.
Results show that 20MnMoD forging at-50 ℃ has excellent low temperature toughness,it is adapted to-50 ℃ 15MnNiNbDR steel plate for low temperature pressure vessels.
结果表明,-50℃的20MnMoD钢锻件具有良好的低温韧性,可与-50℃级正火型低温压力容器钢15MnNiNbDR配套使用。
2) low-temperature toughness
低温韧性
1.
Effect of CO_2 content on low-temperature toughness of weld metal of high strength steel in MAG welding;
CO_2含量对高强钢MAG焊焊缝金属低温韧性的影响
2.
A series of Charpy impact tests were done to investigate low-temperature toughness of its weld joints,and the values of toughness were measured at different temperatures to make sure of some temperature ranges that normally correspond to different toughness values.
采用系列冲击试验对接头低温韧性进行了研究。
3.
This steel has been verified excellent in weldability and low-temperature toughness,and no crack is formed in t≤50 mm plates after welding even without preheating or with slight preheating before welding.
结果表明：该钢具有优异的焊接性能和低温韧性；板厚≤５０ｍｍ的钢板焊前不预热或稍加预热而不产生焊接冷裂纹，是制造大型压力容器（特别是低温和常温球罐）、水电站压力钢管和水轮机蜗壳、高寒地区使用的大型工程机械、大跨度桥梁及海上采油平台等装备的理想用材。
3) cryogenic toughness
低温韧性
1.
The lathing martensite increases with the improvement of quenching temperature,the yield strength tempered at 600 ℃ improves,but the cryogenic toughness of 9Ni steel decreases.
随着淬火温度的提高,组织中出现的板条马氏体增多,经600℃回火后屈服强度逐渐提高,但低温韧性呈降低趋势。
2.
The heat treatment processes of large scale forge were simulated and the effects of the different heat treatment processes on the cryogenic toughness at -30 ℃ of Steel 2.
25V钢-30℃冲击韧性的影响,结果表明经调质预处理后的低温韧性随再奥氏体化温度的升高而降低,而经1200℃正火预处理后进行1040℃奥氏体化,不仅有利于碳氮化物充分溶解与合金元素的均匀化,同时有利用奥氏体的自发再结晶细化晶粒并获得较高的低温韧性。
3.
The effect of ESR on cryogenic toughness was investigated by means of TEM and SEM.
2 5 N奥氏体钢电渣重熔前后的冲击韧性、氢含量及夹杂物含量 ,并利用扫描电子显微镜和透射电子显微镜研究了电渣重熔对该钢低温韧性的影响。
5) ultra-low temperature toughness
超低温韧性
6) low temperature impact toughness
低温冲击韧性
1.
This article analyzes why the low temperature impact toughness of the trial hot rolled H-section steel in the Section Mill is relative low, and brings forward the ways to optimize and improve manufacturing technique.
分析了型钢厂试制热轧美标H型钢低温冲击韧性偏低的原因,并在此基础上提出了对生产工艺的优化与改进。
2.
Conventional tensile strength and low temperature impact toughness were tested,and the appearance and microstructure of the impact fracture were analyzed.
对石油机械用NJ110钢进行了4组热处理工艺试验,测试了常规拉伸性能和低温冲击韧性,并对冲击断口的形貌进行观察和显微组织分析。
3.
Through the analysis and study of the specifications for the forked type forgings,this article has set forth the required method to ensure the low temperature impact toughness of the forked type forgings from the aspects of processes of melting,forging and heat treatment.
通过对叉型块锻件技术要求的分析研究,提出从冶炼、锻造、热处理工艺方面保证叉型块锻件的低温冲击韧性要求的方法。
补充资料：低温
低温
hypothermia
低温状态下脑组织对缺氧的耐受性明显增加。体温低于37℃时，每减低1℃，脑组织代谢率减少6.7%，颅内压减低5.5%，在人工呼吸、心脏按压的同时或稍后应给予降温处理，可采用正规冬眠疗法使体温降至肛温35℃左右，目前尤为重视头部局部降温，戴冰帽，头温降至32℃左右，重症要降温3～5天。
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