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Titanium alloy steel bonding interface strength test piece

An interface strength, titanium alloy steel technology, applied in the direction of strength characteristics, preparation of test samples, using stable tension/pressure to test the strength of materials, etc., can solve the problems of difficult processing, large strength detection errors, etc., to achieve simple processing Convenience, no requirement for machining accuracy, and high test structure accuracy

Active Publication Date: 2021-02-26
渤海造船厂集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of the existing titanium alloy steel bonding interface strength detection error is large and it is difficult to process samples, the present invention proposes a titanium alloy steel bonding interface strength sample

Method used

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  • Titanium alloy steel bonding interface strength test piece
  • Titanium alloy steel bonding interface strength test piece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023]As shown in the figure, the titanium alloy steel bonding interface strength test piece includes a steel base plate 2 and a titanium clad plate 1; the titanium clad plate 1 includes a straight section 1.1 and an inclined section 1.2. The straight section 1.1 is welded with The steel base plate 2 is welded, and the inclined section 1.2 is arranged obliquely above the steel base plate 1, thereby forming a sample block with a "Y"-shaped cross section in the longitudinal direction; the steel base plate 2 is also provided with a dividing block 3, the The dividing block 3 is located at the junction of the straight section 1.1 and the inclined section 1.2 to control the boundary of the welding joint surface of the straight section 1.1 of the titanium cladding 1 and the steel base plate 2, so as to accurately control the size of the joint surface of the titanium cladding 1 and the steel base plate 2. And shape.

[0024]At the same time, the straight section 1.1 is provided with a number o...

Embodiment 2

[0032]As shown in the figure, based on embodiment 1, both sides of the steel base plate 2 are vertically provided with stoppers 4, and the height of the stoppers 4 is greater than the thickness of the steel base plate 2, and the straight section 1.1 is located between the two stoppers 4. Between; through the clamping block to clamp the stop 4, the middle of the steel substrate 2 can be fixed on the workbench of the tensile testing machine, preventing the middle of the steel substrate 2 from deforming in the direction of the tensile crack during the tensile cracking process, which will affect the test results To ensure the accuracy of the test.

[0033]The length of the stopper 4 is greater than the length of the straight section 1.1, so as to clamp and fix the entire stretch-crack section of the test piece.

[0034]A dividing groove 5 is also provided between the stop 4 and the straight section 1.1. The dividing groove 5 extends along the length of the straight section 1.1 to prevent the ...

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Abstract

The invention provides a titanium alloy steel bonding interface strength test piece. According to the sample piece, a boundary block is arranged on a steel base plate to divide a titanium cover plateinto a straight section and an inclined section, the straight section is welded to the steel base plate through explosive welding, and the inclined section of the titanium cover plate is arranged above the steel base plate, so a sample block with a Y-shaped section in the length direction is formed, machining is easy and convenient, the test result accuracy is high, and the technical problems thatthe titanium alloy steel bonding interface strength detection error is large, and a sample is difficult to machine are solved. The sample piece can be machined only through existing explosive weldingand drilling machining, the requirement for the machining precision is avoided, the size of a bonding interface is easy to control, and the beneficial effects of being easy and convenient to machineand high in testing accuracy are achieved. Materials of the steel base plate and the titanium cover plate are replaced, the bonding interface strength of different composite plates can be tested, andthe test piece has the advantage of being wide in application range. The test piece is suitable for being used as a titanium alloy steel bonding interface strength test piece.

Description

Technical field[0001]The invention relates to the technical field of composite sheet strength testing, in particular to a titanium alloy steel bonding interface strength test piece.Background technique[0002]The titanium alloy steel composite plate is produced by explosive welding, and the made titanium alloy steel composite plate requires high-frequency ultrasonic testing to detect the welding quality of the welding process, and the bonding strength of the titanium layer and the steel layer is also required. test. The thickness of the common titanium composite steel plate is only about 15mm, and the thickness of the titanium layer is less than 3mm. It is impossible to directly clamp the test sample for the tensile test with the tensile testing machine. The method for testing the bonding strength of the composite steel plate interface recommended by the national standard GB-T6396 is as follows: When preparing the sample, drill blind holes on the thicker base layer of the composite st...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N3/08
CPCG01N1/28G01N3/08G01N2203/0017G01N2203/0298
Inventor 高海良梁世蒙赵广波矫显明贾景春张海涛黄伟
Owner 渤海造船厂集团有限公司
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