高温合金金相组织检验方法系列标准浅析

打开文本图片集

DOI：10.26915/j.issn1003-0514.2025.03.001

中图分类号：TG132.3文献标识码：B 文章编号：1003-0514（2025）03-0001-03

Abrief analysis of the series of standards for metallographic examination for superalloy

WangLin1，GuQiang²，Chenhuixia³ （1.China metallurgical information and standardization institute，Beijing 1Oo73o，China; 2.Fushun Special Steel Co.，Ltd.，LiaoNing 1130O1，China; 3.Beijing GAONA Materials and Technology Co.，Ltd.，Beijing 1Ooo81，China）

Abstract：This paperanalyzesand elaborates onthe standard system for metallgraphic examination of superally，the mainrevisions intheupdatedstandards，andthenextsteps inthe work plan.Throughthe （integrated）revisionof theseriesof standards ofGB/T14999“TestMethodsfor Superalloy”，the standardsystem formetalographic examinationofsuperalloy willbefurtherrefined.Whilepromotingtheimplementationoftheexistingstandards for metallgraphicexaminationof superally，the SpecialAloys Subcommiteeof theNational Steel StandardizationTechnical Committeewillcontinue to developand improve therelevant standardsystem，leveraging standards tosupport the high-qualitydevelopmentof China's domestic superalloy industry.

Keywords：superalloy；metallographic examination；standard system

0前言

高温合金是一类能在 600∘C 以上的高温及一定应力作用下长期工作的金属材料，具有较高的高温强度、良好的抗氧化和抗腐蚀性能，以及良好的疲劳性能和断裂韧性等综合性能，被广泛应用于航空航天、发电用地面燃气轮机、超超临界火力发电、舰船、核电、汽车、石油等领域。（剩余2848字）