Effects of partial crystallinity and quenched-in defects on corrosion of a rapidly solidified Ti�?�Cu alloy

Bulletin of materials science

R S Dutta¹  G K Dey¹ 

[1] Materials Science Division, Bhabha Atomic Research Centre, Mumbai 400 085, India$$Materials Science Division, Bhabha Atomic Research Centre, Mumbai 400 085, IndiaMaterials Science Division, Bhabha Atomic Research Centre, Mumbai 400 085, India$$

关键词: Rapidly solidified;    partial crystallinity;    passivity;    pitting.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

Rapid solidification by planar flow casting has been found to have introduced deficiencies, viz. partial crystallinity, air pockets and compositional difference in the ribbons of rapidly solidified Ti_42.9-Cu_57.1 alloy. In order to investigate the effects of these deficiencies on the corrosion of rapidly solidified Ti_42.9-Cu_57.1 alloy ribbons, electrochemical behaviour of alloy ribbons has been investigated in the acidic chloride environments at room temperature by taking into consideration each side of the alloy ribbon separately. The alloy displayed passivity followed by pitting corrosion. In the as-solidified condition, air pockets appear to be the most detrimental defect from the viewpoint of corrosion resistance of the alloy ribbons.

【 授权许可】

Unknown