Ti-based high temperature alloy with high toughness in bi-state structure and preparation method and application thereof
A high-temperature alloy and two-state structure technology, applied in the field of high-strength and tough titanium-based superalloy and its preparation, can solve the problems of high cost, complicated preparation process, large alloy grain size, etc., and achieve convenient operation, simple processing process, and high-quality products. high rate effect
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[0039] Example 1: Preparation of high-strength and toughness titanium-based superalloy with dual-state structure
[0040] (1) High-energy ball milling to prepare alloy powder
[0041] Mix the components uniformly and place them in a planetary ball mill (QM-2SP20) for high-energy ball milling to obtain alloy powder.
[0042] Among them, the distribution ratio of each group is: Ti66at.%, Nb13at.%, Cu8at.%, Ni6.8at.%, Al6.2at.%; all components are simple powders with a particle size of about 75μm.
[0043] Ball mill: The ball milling media such as the tank body and the grinding ball materials are all stainless steel. The diameters of the grinding balls are 15, 10 and 6mm respectively, and their weight ratio is 1:3:1.
[0044] The high-energy ball milling process parameters are as follows: The ball milling tank is filled with high-purity argon (99.999%, 0.5MPa) for protection, the ball-to-battery ratio is 8:1, and the speed is 2s -1 , The milling time is 1h.
[0045] (2) Pulse current sinter...
Example Embodiment
[0056] Example 2: Preparation of high-strength and toughness titanium-based superalloy with dual-state structure
[0057] (1) High-energy ball milling to prepare alloy powder
[0058] Mix the components uniformly and place them in a planetary ball mill (QM-2SP20) for high-energy ball milling to obtain alloy powder.
[0059] Among them, the distribution ratio of each group is: Ti68at.%, Nb8at.%, Cu10at.%, Ni6at.%, Al8at.%; all components are simple powders with a particle size of about 100μm.
[0060] Ball mill: The ball milling media such as the tank body and the grinding ball materials are all stainless steel. The diameters of the grinding balls are 15, 10 and 6mm respectively, and their weight ratio is 1:3:1.
[0061] The high-energy ball milling process parameters are as follows: The ball milling tank is filled with high-purity argon (99.999%, 0.5MPa) for protection, the ball-to-battery ratio is 10:1, and the speed is 3.8s -1 , The milling time is 20h.
[0062] (2) Pulse current sinte...
Example Embodiment
[0072] Example 3: Preparation of high-strength and toughness titanium-based superalloy with dual-state structure
[0073] (1) High-energy ball milling to prepare alloy powder
[0074] Mix the components uniformly and place them in a planetary ball mill (QM-2SP20) for high-energy ball milling to obtain alloy powder.
[0075] Among them, the distribution ratio of each group is: Ti64at.%, Nb18at.%, Cu6at.%, Ni5at.%, Al7at.%; all components are simple powders with a particle size of about 150μm.
[0076] Ball mill: The ball milling media such as the tank body and the grinding ball materials are all stainless steel. The diameters of the grinding balls are 15, 10 and 6mm respectively, and their weight ratio is 1:3:1.
[0077] The high-energy ball milling process parameters are as follows: The ball milling tank is filled with high-purity argon (99.999%, 0.5MPa) for protection, the ball-to-battery ratio is 12:1, and the speed is 5s -1 , The milling time is 30h.
[0078] (2) Pulse current sintere...
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