IMPROVING CORROSION-RESISTANCE OF MAGNESIUM BY NONEQUILIBRIUM ALLOYING WITH YTTRIUM

被引：18

作者：

MILLER, PL ^{[1
]}

SHAW, BA ^{[1
]}

WENDT, RG ^{[1
]}

MOSHIER, WC ^{[1
]}

机构：

[1] MARTIN MARIETTA CORP,ASTRONAUT GRP,DENVER,CO 80201

来源：

CORROSION | 1993年 / 49卷 / 12期

关键词：

ANODIC POLARIZATION; BREAKDOWN POTENTIAL; CORROSION RESISTANCE; MAGNESIUM; NONEQUILIBRIUM ALLOYING; PH; X-RAY DIFFRACTION; YTTRIUM;

D O I：

10.5006/1.3316022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Significant improvements were achieved in the anodic polarization behavior of magnesium (Mg) by nonequilibrium alloying with 9 at% to 22 at% yttrium (Y). Alloys were fabricated using the nonequilibrium technique of magnetron cosputter deposition. Anodic potentiodynamic polarization experiments were conducted at various scan rates and pH values to assess the corrosion resistance of several MgY alloys. These alloys exhibited significantly enhanced corrosion behavior compared to pure Mg. Differences included higher breakdown potentials and lower passive current densities. X-ray diffraction of each alloy revealed the Y was retained in solid solution.

引用

页码：947 / 950

页数：4

共 20 条

[1] PASSIVE FILM STRUCTURE OF SUPERSATURATED AL-MO ALLOYS [J].