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Video extensometerWire tensile testing
Tensile Test of 0.038mm-Diameter Wire

Tensile testing of fine wire demands both extremely high sensitivity and stable data during tension. With advanced image processing algorithms and high-resolution sensors, Haytham's monocular 3D video extensometer provides accurate strain data under very small deformation, fully meeting high-precision test requirements.

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Crack propagation analysisDIC system
Double-Cantilever Crack Propagation Analysis

In double-cantilever crack propagation analysis, Haytham's monocular 2D video extensometer analyzes crack growth behavior in real time and precisely through strain gradient, boundary recognition and residual gray-field modes. Strain gradient analysis identifies stress concentration regions of crack growth, boundary recognition tracks the crack path and width changes precisely, and residual gray-field analysis provides strain distribution around the crack, helping identify subtle changes in propagation.

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Material strainHigh-cycle fatigue
High-Cycle Fatigue Test of Metal Materials

Haytham's monocular 2D video extensometer is equipped with a dedicated fatigue measurement module that, working with the controller and software, fits N small cycles of high-cycle fatigue testing into 1 large cycle. This effectively reduces the data acquired per fatigue cycle, while cross-cycle photo capture ensures the DIC system tracks the specimen's deformation throughout.

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N-value and R-valueVideo extensometer
N-Value and R-Value Measurement of Sheet Metal

In the experiment, the sheet metal specimen was clamped in a tensile testing machine. Haytham's monocular 2D video extensometer monitored the specimen surface in real time and captured its deformation during tension. Based on method A of GB/T 5027-2016, the system precisely measured the plastic strain and computed the corresponding R-value. Since the system allows flexible selection of the plastic strain range, researchers can better control test conditions and ensure reliable results.

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Reduction of area2D video extensometer
Measurement of Material Reduction of Area and Elongation After Fracture

Measuring reduction of area requires precisely measuring the specimen's cross-section dimensions before and after fracture, while measuring elongation after fracture requires the longitudinal elongation after breaking. Single-direction traditional measurement may miss transverse deformation, making the data less comprehensive; moreover, inevitable manual errors make precise measurement of these parameters even more challenging.

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High-temperature extensometerHigh-temperature compression test
2300℃ High-Temperature Compression Test of Composite Materials (No Marking Points)

Haytham's monocular 2D high-temperature video extensometer adopts laser speckle technology. No marking points need to be placed on the specimen surface; instead, laser illumination produces natural speckle patterns. These patterns change with specimen deformation, and the video extensometer measures deformation by capturing and analyzing their displacement. Even at the extreme temperature of 2300℃, this technology delivers stable, accurate results.

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High-temperature tensileHigh-temperature video extensometer
900℃ Tensile Test of Superalloy Steel

Haytham's monocular 2D video extensometer overcomes various adverse factors in high-temperature environments through non-contact optical measurement. By capturing images of the specimen surface and processing them with digital image correlation, it analyzes material deformation in real time. Specifically, in the 900℃ tensile test of superalloy steel, the video extensometer accurately tracks minute deformation on the material surface and transmits the data directly to the MTS test machine software via software communication.

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Material shearDigital image correlation (DIC)
Aluminum Alloy Shear Test

In shear strength testing of aluminum alloys, DIC technology provides comprehensive strain data and shear strength information, helping evaluate material performance in practical applications.

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Biaxial tensile testVideo extensometer
Biaxial Tensile Test of Composite Materials

Using Haytham's standardized DIC technology in biaxial tensile testing of composite materials, such heterogeneous and anisotropic mechanical properties can be measured efficiently and accurately, with experimental data available for composite design and engineering applications.

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