Mechanical and corrosion behaviour of in situ intermetallic phases reinforced Mg-based glass composite. Issue 10 (3rd July 2017)

• Record Type: Journal Article
• Authors: Zhang, Xuliang; Sun, Jingli; Luo, Jian; Wang, BaoBing; Cheng, Jialin
• Is Part Of: Materials science and technology. Volume 33:Issue 10(2017)
• Page Start: 1186
• Page End: 1191
• Publication Date: 2017-07-03
• Subjects: Bulk metallic glass -- corrosion -- composite; Materials science -- Periodicals; Microstructure -- Periodicals; Metallurgy -- Periodicals; 620.1105
• DOI: 10.1080/02670836.2016.1271934
• Languages: English
• ISSNs: 0267-0836

Abstract

ABSTRACT: A (Mg65 Cu10 Ni10 Y10 Zn5 )91 Zr9 bulk metallic glass matrix composite, reinforced by in situ formed intermetallic phase, has been fabricated. In contrast to the monolithic Mg-based bulk metallic glasses (BMGs), the composite showed much higher fracture strength of 1039 MPa and a significant plastic strain of more than 5%. Moreover, the effect of in situ formed intermetallic phase on the corrosion behaviour of the composite was also studied. The results indicated that the corrosion resistance of the composite was only slightly lower than that of the monolithic Mg-based BMGs, but still much higher than that of the AZ31 magnesium alloy. This finding gives us a new clue to enhance the mechanical properties and corrosion resistance of Mg-based alloy by designing appropriate metallic glass composites.