1) Heavy section
厚大断面
1.
Developing of Solidification Apparatus for S.G.Cast Iron with Heavy Section;
厚大断面球墨铸铁件凝固装置的研制
2.
A small apparatus used for simulating cooling environment of heavy section ductile iron castings was developed by authors themselves.
通过控制环境温度和冷却速度,模拟厚大断面球墨铸件凝固过程温度场的分布和变化规律。
3.
With the heavy machinery industry, particularly the nuclear power industry development, heavy section ductile iron has been more and more widely used.
本文利用外加冷铁强制冷却的扇形试块模拟百吨级厚大断面球铁容器的凝固过程,采用光学显微镜,扫描电镜对厚大断面球铁的微观组织进行了分析,并研究了凝固时间对拉伸性能的影响规律及其断裂机制,分析了常温和低温(-40℃)条件下的冲击韧性以及低温(-40℃)条件下的断裂韧性。
2) thick section
厚大断面
1.
Casting of nodular iron with thick section is still difficult at present.
厚大断面球墨铸铁件铸造目前仍然是技术难度很大的问题。
3) heavy-section ductile iron
厚大断面球铁
1.
Computer is used for the numerical simulation of temperature field of the solidification process of heavy-section ductile iron casting.
应用计算机对厚大断面球铁铸件的凝固过程进行了温度场的数值模拟。
4) heave sectioned ductile iron
厚大断面大型球铁
5) heavy section ductile iron
厚大断面球墨铸铁
1.
Directing toward the heavy section ductile iron produced by Xuan hua mechanical factory of Beijing,which has the problems of spheroidization and inoculation declined and the low percent of pass,the injection is adopted instead of the tradtional method in this article.
针对北京宣化机械厂生产的厚大断面球墨铸铁件中出现的球化孕育衰退、产品质量合格率低的问题,采用喂线技术取代传统的冲入法,在孕育线中加入了抗衰退的钡及重稀土元素,起到了更好的抗衰退作用,生产出的厚大断面球墨铸铁件的抗拉强度高于400MPa,延伸率大于18%,完全符合QT400-18的力学性能指标要求。
2.
The defects that easy occurred in heavy section ductile iron castings as well as the prevention measures were reviewed.
概述了厚大断面球墨铸铁件易产生的几种缺陷及防止措施。
6) heavy cross-section
厚大截面
补充资料：厚大
1.又厚又大。
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