H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
新型铸造热锻模具钢（CHD钢）由于具有较高的强韧性和高温稳定性，使用寿命高于锻造模具，具有广阔应用前景。
The new cast hot work die steel (CHD steel) has high strength and toughness, high thermal stability, high lifetime and wide application prospects.
高温磨损机理为氧化物疲劳剥落磨损，精铸热锻模具钢磨损磨屑为厚大块状，而H13钢磨损磨屑以条状为主。
The high temperature wearing was due to the fatigue delamination of the oxide, the lump wear debris were revealed on the precision cast steel, and the bar wear debris on H13 steel.
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