Home page >> Product display >> Stress corrosion testing machine >> MYLH electronic metal material hydrogen environmental compatibility testing machine
1. Main technical parameters
Model | MYLH-30E | MYLH-50E | MYLH-100E |
load | 30kN | 50kN | 100kN |
Hydrogen pressure (MPa) | 20, 35 | 20, 35, 50, 70, 100 | 35, 50, 70, 100, 140 |
Test temperature | normal temperature | (-50~100)℃ | |
Test function | slow tensile test | Slow tensile test, crack growth rate test, fracture toughness test, low cycle fatigue test | |
Loading strain rate | (1/s～1x10-8)/s | (10～1x10-7)/s | |
Test frequency | —— | (0.1~1)Hz | |
Test waveform | —— | Sine wave, triangle wave | |
Test force range | 1%～100%F.S | ||
Relative error of test force indication | ±0.5% | ||
Maximum moving range of loading head | 80mm | ||
Loading head displacement measurement accuracy | ±0.5% | ||
Loading head displacement resolution | 0.0125µm | ||
Deformation measurement range | 0～30mm | ||
Deformation measurement resolution | 1µm | ||
Deformation measurement accuracy | ±0.5% |
Below -40℃, perform lower pressure (35MPa) test.
2. Functional features
l Direct measurement of the deformation of the gauge length section in the autoclave;
l Use an autoclave internal force sensor to directly measure the tensile load of metal materials, eliminating measurement errors caused by sealing friction resistance;
l Self-designed balancing device eliminates the impact of pressure in the kettle on the sample;
l Multiple innovative combined sealing technologies to prevent hydrogen leakage;
l Professional material selection to prevent stress corrosion cracking caused by hydrogen environment;
l Systematic design, in line with regulatory safety requirements;
l Multiple testing to ensure safety;
l Provide complete solutions for hydrogen test projects;
l Supports sample control process design to facilitate test method expansion;
l Support slow strain loading control;
l Support automatic and manual test log recording;
l Supports recovery function after test suspension;
l Support test recovery function after power failure;
l Supports retention of collected data after power failure;
l Support long-term continuous testing of more than 30 days;
l Test data can be exported to EXCEL and ACCESS formats;
