Production process method of ultrahigh-strength TA4 titanium alloy thin strip
一种钛合金簿、超高强度的技术,应用在冶金领域,能够解决强度延伸率不降低、无法提高TA4/Grade4钛合金簿带材强度指标、不能保证延伸率等问题,达到成品率及力学性能提高、提高抗拉强度和屈服强度、降低生产成本的效果
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[0023] The following describes the first embodiment of the present invention in conjunction with the description of the technical solution clearly and completely. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them.
[0024] The production process method of ultra-high-strength TA4 titanium alloy thin strip is characterized in that: after the TA4 titanium alloy strip is treated with a multi-rolling method formed by repeated cold rolling with step deformation and multiple online continuous solution step annealing alternately, the obtained Tensile strength ≧ 700Mpa, yield strength ≧ 600Mpa, elongation ≧ 15% TA4 titanium alloy thin strip, the TA4 titanium alloy strip blank of 1.2 × 530 × L (TA4 titanium alloy strip length) mm is rolled to a thickness of 0.15mm TA4 titanium alloy strip, wherein the chemical composition of the 1.2×530×Lmm TA4 titanium alloy strip blank is as follows:
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