The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the coloretching technique and the formation mechanism of shrinkage porosity has been analyzed.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
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Objective This study was to evaluate the influence of incorporation of inorganic antibacterial agents on bonding characteristics and color stability of an experimental self-etching primer ESP.
目的：测试无机抗菌剂的添加对新型自酸蚀处理剂ESP黏结性能和颜色稳定性的影响。
3
Processing: etching, incised, corrosion intaglio bottom concave, convex, word word etching paint, color code, color card stickers.