Multicomponent High-Strength Low-Alloy Steel Precipitation-Strengthened by Sub-nanometric Cu Precipitates and M 2 C Carb
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I.
INTRODUCTION
HIGH-STRENGTH high-toughness weldable steels are utilized as high-performance structural materials for naval applications. More than two decades ago, the U.S. Navy replaced the higher carbon steels (0.14 to 0.20 wt pct C), designated as High-Yield Strength steels (HY-80 and HY-100) by lower carbon concentration (
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