Technology for carrying out toughening treatment on stable Beta titanium alloy

A titanium alloy, strengthening and toughening technology, applied in the field of heat treatment of titanium alloys, can solve problems such as plastic loss, and achieve the effect of improving strength, simple process flow, and strength improvement

Inactive Publication Date: 2019-05-31
HUANGHUAI UNIV
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Problems solved by technology

[0004] The invention provides a process for strengthening and toughening the stable Beta titanium alloy, which carries out pre-torsion deformation and aging treatment on the stable Beta titanium alloy, and solves the problem that the stable Beta titanium alloy has improved plasticity after the pre-deformation aging treatment. The problem of serious loss, while improving the strength of the stable Beta titanium alloy, it can effectively ensure its plasticity

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  • Technology for carrying out toughening treatment on stable Beta titanium alloy
  • Technology for carrying out toughening treatment on stable Beta titanium alloy
  • Technology for carrying out toughening treatment on stable Beta titanium alloy

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Embodiment Construction

[0019] A process for strengthening and toughening stable Beta titanium alloys. It adopts gradient structure design, and prepares gradient structure stable Beta titanium alloys by pre-torsional deformation and aging treatment of stable Beta, so that the strength of the alloy can be increased from the surface to the surface. The heart has a gradient distribution.

[0020] A kind of technology that stable Beta titanium alloy is carried out toughening treatment, its concrete steps are as follows:

[0021] 1) Perform solution treatment and quenching treatment on the stable Beta titanium alloy to obtain a single-phase β structure, the solution temperature is 10-20°C above the α→β phase transition temperature, and the holding time is selected according to the thickness of the sample at 1min / mm , the quenching method is water quenching;

[0022] 2) Use a torsion testing machine to perform torsional deformation on the solid solution quenched state stable Beta titanium alloy, the torsi...

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Abstract

The invention discloses a technology for carrying out toughening treatment on stable Beta titanium alloy. According to the technology for carrying out toughening treatment on the stable Beta titaniumalloy, the stable Beta titanium alloy with a gradient organizational structure is prepared by adopting pre-torsional deformation and aging treatment, the strength of the stable Beta titanium alloy isdistributed in a gradient manner from the surface to the center, and then high strength and high toughness are achieved at the same time.

Description

technical field [0001] The invention relates to a heat treatment process for titanium alloys, in particular to a process for strengthening and toughening stable Beta titanium alloys. Background technique [0002] Titanium and titanium alloys have the characteristics of high specific strength, excellent corrosion resistance, and good cold and hot forming ability, and have become key structural materials in the fields of aerospace and marine engineering. With the development of high-speed and long-distance design of aircraft and ships, and the development of service performance towards high reliability and long life, higher requirements are put forward for the strength and toughness of titanium alloys. Therefore, the development of high-strength and high-toughness titanium alloys is an inevitable choice for the lightweight design of large aircraft and ships and the improvement of service safety. [0003] Beta titanium alloy is a type of titanium alloy with the most potential ...

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Application Information

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IPC IPC(8): C22F1/18
Inventor 王启叶苗桑彪王晓韩汶武李乐
Owner HUANGHUAI UNIV
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