The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
Cause Analysis of Disqualification of Q345D-Z25 Steel Plate in Ultrasonic Inspection
Author(s): Li Chunmei
Pages: 34-
37
Year: 2014
Issue:
5
Journal: Wide and Heavy Plate
Keyword: 中心裂纹; 夹杂物; 组织偏析; 无损探伤;
Abstract: 运用金相显微镜、扫描电镜等手段,对济钢生产的70 mm厚度规格Q345D-Z25钢板进行显微组织分析.结果表明,钢板中心存在的裂纹、MnS夹杂物以及组织偏析是造成此次钢板探伤不合的主要原因.通过提高钢水纯净度、铸坯以及钢板内部质量,探伤合格率得到显著提高.
Citations
No citation found
Related Articles
No related articles found