建议通过严格控制碳硫含量，提高钛含量和钢水纯净度，以提高钢板的时效冲击韧性。
The ageing impact toughness of the medium plate can be increased by controlling carbon and sulfur content and improving titanium content and the purity of the molten steel.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
结果表明，随着时效温度的升高，冲击韧性呈下降趋势。
The results indicate that impact toughness of alloy will descend with ageing Treatment temperature increasing.
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