350 ℃下长期时效对17-4PH不锈钢动态断裂韧性的影响
350 ℃하장기시효대17-4PH불수강동태단렬인성적영향
Effect of Long-Term Aging at 350 ℃ on Dynamic Fracture Toughness of 17-4PH Stainless Steel
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