Item Category | Detection Project |
Chemical composition, grade |
1, grade identification (carbon steel, Stainless steel, die steel, aluminum alloy, copper alloy); |
Mechanical perance |
Tensile test (tensile strength, yield strength, reduction of area, elongation, modulus of elasticity), Impact test (room temperature impact, low temperature impact), hardness test (Vickers hardness, Rockwell hardness, Brinell hardness), load-bearing test, compression test, bending test, flattening test, breaking torque, cupping test, flaring test , Shear test, welding bond strength. |
Plating test |
coating thickness, film weight, coating composition, coating porosity, adhesion, wear resistance, chemical resistance, Pencil hardness, acid/alkalinity, coating morphology analysis, surface stain analysis, nano hardness. |
Reliability test |
Salt spray test (neutral salt spray, copper ion acceleration, acid salt spray), vibration, gas, IP rating , Humidity heat, high low temperature, rain, s dust, aging, xenon lamp, ultraviolet, constant temperature humidity, water mist test, dry heat test, high temperature resistance. |
Metallographic organization |
Grain size, non-metallic inclusions, macrostructure, microstructure, stainless steel phase content, gray cast iron Metallography, ductile iron metallography, vermicular graphite cast iron metallography, fracture inspection, hardened layer depth, PCB metallographic section analysis, molten pool depth. |
Size |
Regular size, flatness, straightness, roundness, roughness, parallelism, slope, position, Verticality, micro-size, reverse engineering, profile, runout, concentricity, concentricity. |
Physical perance |
Density, melting point, resistivity, particle size distribution, conductivity/heat, coefficient of thermal expansion, coefficient of friction, specific heat capacity, residual Stress, magnetic induction, iron loss, water drop angle, electromagnetic compatibility, phase analysis. |
failure analysis |
fracture failure, corrosion failure, foreign body analysis, fire analysis, coating failure, circuit board failure. |
other |
1, corrosion experiment (corrosion rate, quality loss); |