1) spheroidization and inoculation declined
球化孕育衰退
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) Fading
[英]['feidiŋ] [美]['fedɪŋ]
孕育衰退
1.
A Mathematical Model for Calculating Fading Time of Inoculating Agent;
一种计算孕育衰退时间的数学模型
3) nodularization degeneration
球化衰退
1.
The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed.
对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
2.
A effective method to eliminate nodularization degeneration was introduced with emphasis laid on materials and process.
着重从材料和工艺两方面介绍一种消除球化衰退的有效方法。
4) breed and spherulitic
孕育球化
6) nodulizer and inoculant
球化剂及孕育剂
补充资料：衰退
①(身体、精神、能力等)衰弱倒退：机能衰退。②(政治、经济、文化等)衰落退缩：经济衰退，人心不稳。
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