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.

介绍了一种能清楚显示锆及锆合金晶粒的金相及扫描析试样的制备技术。

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，经同样的工艺进行渗碳、淬火和回火处，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示及晶粒的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、火和回火处理，试验证明：其层和心部的组织、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.

介绍了一种能清楚及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.

介绍了一种能清楚显示锆及锆合金晶粒的金相及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，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。

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。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、氟钛酸钾、粉、六氯乙烷和碳粉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示锆及锆合金晶粒的金相及扫描电镜分析试样的技术。

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、乙烷和碳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，试证：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，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、六氯乙烷和碳粉铝钛碳晶粒细化剂新方法。

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金相及扫描电镜分析试样技术。

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.

余正火和正火处理后，再经同样工艺进行渗碳、淬火和回火处理，试验证明：其渗层和心部组织、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。

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、钾、铝粉、六氯乙烷和碳粉制备铝碳晶粒剂的新方法。

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，晶粒循环应力响应有一定的影响，比如硬指数的提高。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示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、回处理，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。