$10
Test methods for grain sizes,primary dendrite spacing and microshrinkage of superalloy castings
全国钢标准化技术委员会
1.1 本标准规定了高温合金铸件等轴晶宏观和显微平均晶粒度、柱状晶晶粒度、柱状晶和单晶一次枝晶平均间距、显微疏松的测定方法及结果表示方法。
1.2 本标准适用于普通精密铸造铸件、定向凝固柱晶铸件中晶粒度的测定;定向凝固柱晶和单晶铸件中一次枝晶间距的测定;普通精密铸造铸件、定向凝固柱晶和单晶铸件中显微疏松的测定。
1.3 本标准仅作为推荐性测定方法,不对高温合金铸件验收测试的合格级别范围进行规定。
This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address