δ-铁素体含量对高SiN奥氏体不锈钢焊缝性能的影响
杨景清, 董文超, 陆善平

Effect of δ-ferrite Content on Resistance to Cracking and Nitric Acid Corrosion of Weld Joints for High SiN Austenitic Stainless Steel
YANG Jingqing, DONG Wenchao, LU Shanping
图6 1δ和7δ试样焊缝纵截面的宏观形貌
Fig.6 Macroscopic appearance of weld seam cross-section (a1-a4) 1δ, (b1-b4) 7δ