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Destructive Testing (DT)
Accredited laboratory tests that determine the mechanical and metallurgical properties of metallic materials and welded joints on specimens.
Destructive Testing (DT) is a group of methods in which specimens from metallic materials and welded joints are tested to determine properties such as mechanical strength, ductility, hardness, chemical composition and microstructure. The specimen is deformed, fractured or sectioned, allowing the true behaviour of the material to be measured directly.
In the TÜV AUSTRIA SILA KALİTE laboratory, tensile, guided bend, notch impact, hardness and microhardness, macro and micro analysis, chemical analysis with optical emission spectrometer, through-thickness (Z), fracture, flattening, surface roughness, corrosion tests, peel-chisel-shear-pillow tests for resistance and projection welds, and metallographic replica inspection are carried out using INSTRON tensile-compression and impact machines, a QNESS Vickers hardness tester, a FOUNDRY MASTER XPERT spectrometer and XJM/XTL series microscopes.
Related services
Tensile Test
Determination of yield/tensile strength and elongation of metallic materials and welded joints under static load.
View detailsGuided Bend Test
Determining the ability of materials to undergo plastic deformation under compressive force; root/face/side bend on welds.
View detailsCharpy V-U Notch Test
Determining a material's fracture energy against dynamic loads at a given temperature and evaluating the fracture type.
View detailsNick Break Test
Fracturing a notched weld specimen to visually evaluate internal defects across the weld cross-section.
View detailsFracture Test
Fracturing welded joint specimens through the weld metal to examine internal defects (porosity, cracks, lack of fusion/penetration).
View detailsFlattening Test
Determining plastic deformation capability by flattening specimens cut from pipes to a specified degree by compression.
View detailsHardness Testing
Measuring a material's resistance to a harder indenter pressed into its surface (Vickers).
View detailsMacro Analysis / Examination
Examining the specimen with the naked eye or at up to 50X magnification to evaluate weld cross-section, penetration and defects.
View detailsMicro Analysis / Examination
Examining the specimen's microstructure (grain structure, phase precipitation) at 50–500X magnification.
View detailsChemical Analysis Test with Optical Emission Spectrometer
Determining the chemical composition (elements and amounts) of metallic materials with an optical emission spectrometer.
View detailsThrough-Thickness (Z) Test
Determining through-thickness (Z) quality from the reduction of area at the rupture zone of a through-thickness specimen.
View detailsMetallographic Replica Inspection
Produces an exact three-dimensional copy of a field surface for microstructure examination in the laboratory.
View detailsCorrosion Testing
Comprehensive corrosion tests for stainless steels, alloys and coatings, including intergranular corrosion, pitting, salt spray/CASS and detrimental phase detection.
View detailsMicrohardness Testing
Vickers microhardness measurement under low loads to determine the hardness distribution of thin sections, coatings and welded zones.
View detailsSurface Roughness Test
Measuring the roughness parameters (Ra, Rz) of machined and prepared surfaces to verify specification compliance.
View detailsPeel Test for Resistance and Projection Welds
Evaluating weld nugget size and quality by peeling apart resistance/projection welded joints.
View detailsChisel Test for Resistance and Projection Welds
Evaluating weld integrity and nugget quality of spot welds by forcing a chisel between the sheets, in the field or laboratory.
View detailsShear Test for Resistance and Projection Welds
Determining weld strength by pulling spot/projection welded specimens in the shear direction.
View detailsPillow Test for Resistance and Projection Welds
Verifying weld seam strength by inflating resistance welded panel specimens with internal pressure (pillow test).
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