A new technology,semi-solid casting(thixocasting) method,was used to replace the conventional hot forging process to form AISI420 stainless steel air-turbine blade.The power law cut-off(PLCO) material model in Procast...A new technology,semi-solid casting(thixocasting) method,was used to replace the conventional hot forging process to form AISI420 stainless steel air-turbine blade.The power law cut-off(PLCO) material model in Procast software was used to simulate the thixocasting process.The thixocasting process was simulated.The results show that the reasonable technology parameters for air-turbine blade thixocasting process are obtained:billet temperature 1 483-1 485 °C,piston velocity 12-15 m/s and die temperature is about 400 °C.展开更多
采用半固态成形技术(SSM)代替传统铸造来生产汽车用盒形件。基于Power Law Cut-Off(PLCO)模型和有限元模拟软件ProCast2008对盒形件半固态压铸过程建立模型并进行数值模拟,揭示了主要工艺参数对成形过程的影响规律。结果表明,在盒形件...采用半固态成形技术(SSM)代替传统铸造来生产汽车用盒形件。基于Power Law Cut-Off(PLCO)模型和有限元模拟软件ProCast2008对盒形件半固态压铸过程建立模型并进行数值模拟,揭示了主要工艺参数对成形过程的影响规律。结果表明,在盒形件半固态压铸过程中,浇注温度、冲头速度、模具加热温度有明显的影响,并进一步获得了半固态压铸的合理工艺参数。展开更多
基金Project(50375117) supported by the National Natural Science Foundation of China
文摘A new technology,semi-solid casting(thixocasting) method,was used to replace the conventional hot forging process to form AISI420 stainless steel air-turbine blade.The power law cut-off(PLCO) material model in Procast software was used to simulate the thixocasting process.The thixocasting process was simulated.The results show that the reasonable technology parameters for air-turbine blade thixocasting process are obtained:billet temperature 1 483-1 485 °C,piston velocity 12-15 m/s and die temperature is about 400 °C.
文摘采用半固态成形技术(SSM)代替传统铸造来生产汽车用盒形件。基于Power Law Cut-Off(PLCO)模型和有限元模拟软件ProCast2008对盒形件半固态压铸过程建立模型并进行数值模拟,揭示了主要工艺参数对成形过程的影响规律。结果表明,在盒形件半固态压铸过程中,浇注温度、冲头速度、模具加热温度有明显的影响,并进一步获得了半固态压铸的合理工艺参数。