The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种显示锆及锆合金晶粒的金相及扫描电镜分析样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火后，再经同样的工艺进行渗碳、淬火和回火，验证明：其渗层和心部的组织、晶粒度及机械性均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，晶粒细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和粉制备铝钛细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆及锆合金的金相及扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火处理后，再经同样的工艺进行渗、淬火和回火处理，试验证明：其渗层和心部的组织、及机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟酸钾、铝粉、六氯乙烷和粉制备铝细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆锆合金的金相扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火处理后，再经同样的工艺进行渗、淬火和回火处理，试验证明：其渗层和心部的组织、机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用锭、氟钛酸、、六氯乙烷和碳制备钛碳细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆及锆合金的金相及扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火处理后，再经同样的工艺进行渗碳、淬火和回火处理，试验证：其渗层和心部的组织、度及机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表，细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷碳粉制备铝钛碳晶粒细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显合金晶粒的金相扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正常规的正处理后，再经同样的工艺进行渗碳、淬处理，试验证明：其渗层心部的组织、晶粒度机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，晶粒细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一楚显示锆及锆合金晶粒的金相及扫描电镜分析样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火处后，再经同样的工艺进行渗碳、淬火和回火处，证明：其渗层和心部的组织、晶粒度及机械性均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实表明，晶粒细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细剂的新方法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆及锆合金晶粒的金相及扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火和常规的正火处理后，再经同样的工艺进行渗碳、淬火和回火处理，试验证明：其渗层和心部的组织、晶粒度及机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，晶粒细对循环应力响应有一定的影响，比如硬的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷碳粉制备铝钛碳晶粒细化剂的法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆及锆合金晶粒的金相及扫描电镜分析试样的制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火常规的正火处理后，再经同样的工艺进行渗碳、淬火回火处理，试验证明：其渗部的组织、晶粒度及机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，晶粒细化对循环应力响应有一定的影响，比如硬化指数的提高。同时疲劳过渡寿命降低。

The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷碳粉制备铝钛碳晶粒细化剂法。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

介绍了一种能清楚显示锆及锆合金晶粒金相及扫描电镜分析试样制备技术。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.

余正火常规正火处理后，再经同样工艺进行渗碳、淬火回火处理，试验证明：其渗层组织、晶粒度及机械性能均相同。

The results show that the fine grain process of casting has some effects on the behavior of response to cyclic stress, such as the increase in rigidification exponential of fine grains.

实验表明，晶粒细化对循环应力响应有一定影响，比如硬化指数提高。同时疲劳过渡寿命降低。