研究了稀土复合变质对新型铸造热锻模具钢(CHD钢)组织与性能的影响。
The effects of rare earth (re) complex modification on structure and the properties of a new cast hot-work die (CHD) steel were investigated.
研究了新型精铸热锻模具钢的高温磨损性能，并与H13钢进行对比探讨高温磨损机理。
The high temperature wear property of a new type precision cast hot-forging die steel was studied, and compared with that of H13 steel. The mechanism of the high temperature wear was discussed.
结果表明：h13热锻模具钢经此工艺处理后，具有较高的硬度和热疲劳性能，延长了模具的使用寿命。
The results show that the H13 steel treated by new process has higher hardness and heat-fatigue property. The service life of hot-forge die is prolonged.
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.
与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。
Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
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.
简述了精铸热锻模具国内外应用状况，对铸造模具钢的研究进展进行了研究。
Research on the stress and strain evolution of aluminum alloy hot forging die;
简述了精铸热锻模具国内外应用状况，对铸造模具钢的研究进展进行了研究。
Research on the stress and strain evolution of aluminum alloy hot forging die;
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