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The effect of heat treatment conditions on the microstructure and mechanical properties of Mg-3Nd-3Al and Mg-3Nd-0.5Zr alloys has been comparatively investigated. The experimental results showed that the grain size of Mg-3Nd-3Al and Mg-3Nd-0.5Zr alloys was similar, which was 48 ± 4 μm and 46 ± 4 μm in as-cast condition and 50 ± 3 μm and 50 ± 4 μm in solid solution (T4) and solid solution + peak aging...
Effects of RE and Al on the structure, impact toughness, hardness, and wear resistance of high chromium cast iron containing wolfram were investigated. The results show that without modification the volume fraction of austenite is high and the carbide appears to be thick lath and the grain size is relatively large; proper modification using RE combined with Al can reduce volume fraction of residual...
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