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STMC-5L cross-shaped specimen biaxially tensile testing machine This utility model belongs to the field of test equipment technology, particularly involving a cross-double-tensile testing machine
.
The traditional material testing machine can only test the tensile strength in one direction, but the application scenario of the material is more of a multidirectional tensile state, so the previous test method is to do the tensile load test in two directions separately and then calculate the data
comprehensively.
However, the stress in all directions of the material in the process of actual multi-directional deformation is mutually influencing: after the x-direction is applied, the loss force of the y-direction may be slightly greater than the failure of the y-direction applied alone, and it is more used in automotive high-strength steel plates, aluminum alloy plates, carbon fiber panels, etc
.
In order to get more data close to the application scenario, the industry has also done a simple cross-peer tension structure to obtain theoretical data, but this structure is relatively simple, the degree of freedom of the structure itself is low, the complete rigid connection will greatly interfere with the results of the test, the tensile force angle generated by the sample deformation will lead to the generation of shear force, if the shear force can not be eliminated, the test result will be more and more deviation from the actual data
.
Features: 1.
Biaxially oriented test of thin striped cross-shaped specimens of sheet metal to measure the elastoplastic of sheet metal at a fixed stress ratio or strain rate ratio
.
2.
Orthogonal tensile force test of the plane of the cross-shaped specimen, synchronous and continuous measurement of stress and strain
.
3.
Determination of biaxially tensile stress-strain curve of cross-shaped specimens, and determination
of volumetric plastic work contour line (surface).
4.
Biaxially tensile test
of crystalline polymer cross-shaped specimen.
5.
Biaxially tensile test
of amorphous polymer cross-shaped specimen.
6.
Plane orthogonal tensile force 4x5kN, ±0.
5%.
7.
Constant positioning movement rate 0.
005~300mm/min
.
8.
Constant strain rate 0.
0001s-1~0.
1s-1
.
9.
The error of equal distance synchronous movement of the cross-shaped four-clamp end is ±0.
1mm
.
10.
The alignment deviation of the cruciform specimen and the center of the testing machine is ± 0.
1mm
.
11.
Independent control mode, joint control mode, jog program control, linkage program control
.
12.
High rigidity, high stability, no vibration shock, streamlined square box load frame, ergonomic design
.
13.
Cross-shaped specimen biaxial tensile test software / customizable international version (ISO, JIS, ASTM, DIN, BS, NF, EN, AS, NBR, IEC, GOST, CNS, APA).
According to the standard: GB/T36024-2018 biaxially tensile test method for metal material thin plate and thin strip cross-shaped specimens; GB/T37783-2019 High Strain Rate High Temperature Tensile Test Method for Metal Materials; GB/T34108-2017 High Strain Rate Room Temperature Compression Test Method for Metal Materials; GB/T37782-2019 Determination of the test strength, hardness and stress-strain curve of metal materials; GB/T32967.
1-2016 high strain rate torsion test of metal materials;GB/T26077-2010 axial strain control method of fatigue test of metal materials; GB/T5027-2016 Determination of plastic strain ratio r value of thin sheet and thin strip of metal materials; GSB 02-3196-2014 Metal Strain Rate Control Sheet Tensile Standard Sample; 6061 aluminum alloy high strain rate parameter study; GB/T34645-2017 shrinkage strain ratio test method for metal pipe; GB/Z38434-2019 Guidelines for Specimen Preparation for Mechanical Properties of Metallic Materials; GB/T30069.
1-2013;GB/T16825.
1;GB/T5028; GB/T30069.
2-2016;GB/T15970.
7-2017;ISO 16842:2014; ISO 7500-1;ISO 26203-1;ISO 26203-2;ISO 7539-7;ISO 12106;ISO 10113;ISO 10275;ASTM F2634-15; Label:Cross Specimen Biaxially Tensile Testing Machine