IRON-BASED SHAPE-MEMORY ALLOY EXCELLENT IN SHAPE-MEMORY PROPERTY CORROSION RESISTANCE AND HIGH-TEMPERATURE OXIDATION RESISTANCE

摘要

IRON-BASED SHAPE-MEMORY ALLOY EXCELLENTIN SHAPE-MEMORY PROPERTY, CORROSIONRESISTANCE AND HIGH-TEMPERATURE OXIDATIONRESISTANCEABSTRACT OF THE DISCLOSUREAn iron-based shape-memory alloy excellent ina shape-memory property, a corrosion resistance anda high-temperature oxidation resistance, consistingessentially of:chromium : from 5.0 to 20.0 wt.%,silicon : from 2.0 to 8.0 wt.%,at least one element selected from the groupconsisting of:manganese : from 0.1 to 14.8 wt.%,nickel : from 0.1 to 20.0 wt.%,cobalt : from 0.1 to 30.0 wt.%,copper : from 0.1 to 3.0 wt.%,andnitrogen : from 0.001 to 0.400 wt.%,where,Ni + 0.5 Mn + 0.4 Co + 0.06 Cu+ 0.002 N ? 0.67 (Cr + 1.2 Si) - 3,andthe balance being iron and incidental impurities.- 1 -