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首页> 外国专利> HIGH-STRENGTH ALUMINUM-LITHIUM ALLOYS OF THE Al-Cu-Li SYSTEM BUTT JOINTS FRICTION WITH MIXING WELDING METHOD

HIGH-STRENGTH ALUMINUM-LITHIUM ALLOYS OF THE Al-Cu-Li SYSTEM BUTT JOINTS FRICTION WITH MIXING WELDING METHOD

机译：混合焊接Al-Cu-Li系统对接接头摩擦的高强度铝锂合金

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FIELD: technological processes.;SUBSTANCE: invention can be used for the low weldable aluminum alloys butt joints production – the Al-Cu-Li system high-strength aluminum-lithium alloys. Consisting of a tip in the form of a body of revolution with a collar rotating tool is immersed into the joint at 0.90–0.95 of their thickness until the collar contacts its surface and is moved along the joint at an angle of α to the parts to be welded surface normal line in their joint plane. Moving the tool with speed of Vsv = (0.1–0.19)⋅ω, where ω is the working tool rotation frequency, rpm, at that, the inclination angle direction coincides with the welding direction, and the tool inclination angle is α=1.5–2.0°.;EFFECT: method allows to produce the high quality welded joints of high-strength aluminum-lithium alloys, in which there are no defects, with the high level of mechanical characteristics (tensile strength σv, bending angle α, impact strength KCU), having a reduced surface roughness of the weld with Rz≈40 microns, which allows to considerably increase the high-strength aluminum-lithium alloys compounds fatigue characteristics.;1 cl, 3 dwg, 3 tbl
机译：领域：工艺流程;研究对象：本发明可用于生产低焊接铝合金对接接头-Al-Cu-Li体系高强度铝锂合金。由带有轴环旋转工具的旋转体形式的尖端以其厚度的0.90-0.95浸入接头，直到轴环接触其表面并沿接头以α角相对于零件移动。在其接合平面上焊接表面法线。以Vsv =（0.1–0.19）⋅ω的速度移动工具，其中ω是工作工具旋转频率rpm，此时，倾斜角度方向与焊接方向一致，并且倾斜角度为α= 1.5– 2.0°。;效果：该方法可以生产出无缺陷且具有高机械性能（抗拉强度σ v ）的高质量无缺陷高强度铝锂合金焊接接头;弯曲角α，冲击强度KCU），具有R z ≈40微米的减小的焊缝表面粗糙度，这可以显着提高高强度铝锂合金化合物的疲劳特性。 1厘升，3公升，3公吨

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