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Manufacturing method of austenitic stainless steel weld defect test plate with crack defect

A technology of austenitic stainless steel and a manufacturing method, which is applied in the preparation of test samples, manufacturing tools, welding equipment, etc., to achieve the effects of high reliability and simple and easy method.

Active Publication Date: 2021-08-03
WUHAN YIYE STEEL STRUCTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since there is no formal PAUT testing standard in China, it is necessary to make a defect test plate to conduct a comparative test of different nondestructive testing methods to determine the PAUT testing process of austenitic stainless steel

Method used

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  • Manufacturing method of austenitic stainless steel weld defect test plate with crack defect
  • Manufacturing method of austenitic stainless steel weld defect test plate with crack defect
  • Manufacturing method of austenitic stainless steel weld defect test plate with crack defect

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Embodiment Construction

[0028] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...

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Abstract

The invention discloses a method for manufacturing an austenitic stainless steel weld defect test plate with crack defects. Gas shielded welding is used for bottom welding, and then electrode arc welding is used for filling welding; grooves are made, zinc alloy wires are placed in the grooves, and gas tungsten shielded welding is used for filling welding of the grooves, so that the filler wires and The zinc alloy wire melts and fills the groove, and the filled weld seam is remelted by spot welding by argon tungsten arc welding, and the remelted spot weld seam containing zinc alloy forms cracks during cooling; A layer of weld seam is filled above the crack defect; electrode arc welding is used for filling welding of other weld layers. The manufacturing method of the austenitic stainless steel weld defect test plate with crack defects can produce crack defects at any part of the weld seam, and realizes the control of crack quantity, length, direction, depth and other characteristics.

Description

technical field [0001] The invention relates to the technical field of a method for manufacturing a defect test plate, in particular to a method for manufacturing an austenitic stainless steel weld defect test plate with crack defects. Background technique [0002] At present, the commonly used non-destructive testing methods for austenitic stainless steel in engineering include radiographic testing (RT), ultrasonic testing (UT), and penetrant testing (PT), but when it comes to thick plate (≥40mm) flaw detection, these methods have their own However, the detection sensitivity is also low. Phased Array Testing Technology (PAUT), as a new ultrasonic testing technology, has the characteristics of accuracy, intuition and portability, and has been widely used in foreign austenitic stainless steel products. Since there is no formal PAUT testing standard in China, it is necessary to make defect test panels for comparative tests of different nondestructive testing methods to determ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28B23K103/04
CPCB23K9/167B23K9/173B23K9/235B23K9/32B23K2103/05
Inventor 闵晓峰潘伍覃侯华东莫芝林魏三英
Owner WUHAN YIYE STEEL STRUCTURE
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