1) helium embrittlement
氦脆化
2) helium embrittlement
氦脆
1.
Based on the nonequilibrum statistical mechanics of fracture,the helium embrittlement of irradiated metals was studied.
在非平衡统计断裂力学的基础上研究了辐照条件下金属的氦脆断裂问题；明确了高温氦脆（ＨＴＨＥ）的微观机理，建立了晶界上氦泡形核和长大模型，推导出氦泡形核和长大速率公式。
3) high temperature helium embitterment(HTHE)
高温氦脆
4) embrittlement
[em'britlmənt]
脆化
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.
The embrittlement in 1Cr21Ni5Ti duplex stainles s steel with medium titanium and aluminum content, the temperature range in whic h the toughness is sharply deteriorated has been determined and effect of soluti on temperature has been researched.
针对中限钛、铝的Cr21Ni5Ti双相不锈钢中发现的脆化现象,探索了脆化发生的温度范围以及脆化与固溶温度的相关性。
3.
The study wanted to solve the embrittlement problem in copper alloy due to bismuth in drinking water pipe,The result showed that the embrittlement of copper alloy can be completely avoided when Sn and P were added,A proportion of Cu-Bi 1 Sn 3 Zn 6 P 0.
为了解决因铋的加入引起的铜合金脆化问题,研究结果表明,通过添加元素Sn、P完全解决了因铋引起的脆化问题,并提出了配方Cu Bi1Sn3Zn6P0。
5) brittleness
[英]['britlnis] [美]['brɪtḷnɪs]
脆化
1.
Study on Mechanisms of Metal Material Brittleness under Vibration Cutting
金属材料在振动切削时脆化机理的研究
6) brittle
[英]['brɪtl] [美]['brɪtḷ]
脆化
1.
This article analyzes the reason for brittle of humidifier I.
分析了增湿器Ⅰ产生脆化现象的原因。
2.
From the aspects of mechanical properties, metallurgical analysis and process condition, the brittle causes of inner accessories used in flowing bed for itimeric cyanamide were analyzed in this article.
本文从化学成分 ,机械性能 ,金相分析 ,工艺条件等方面分析了三聚氰胺流化床内件脆化的原因 ,并提出了消除流化床脆化的措施。
补充资料：氦3-氦4稀释制冷
分子式：
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
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