Brinell hardness test procedure

Hardness test

This article provides answers to the following questions, among others: How is the hardness of materials defined?On which principles are all hardness testing methods based?Which indenter...
Dye penetrant inspection

Dye penetrant inspection (DPI)

This article provides answers to the following questions, among others: How is dye penetrant inspection carried out and where is it used?What is the purpose of...
Magnetic particle inspection (magnetic field flow method)

Magnetic particle inspection (MPI)

This article provides answers to the following questions, among others: What is the principle behind magnetic particle inspection?How should flaws be aligned with respect to the...
Setup for compression test

Compression test

This article provides answers to the following questions, among others: Why are no longish specimens used in the compression test?Why is the true compressive stress lower...
Brittle fracture and ductile fracture

Tensile test

The tensile test is used to determine material parameters such as strength (yield point, ultimate tensile strength) and toughness (elongation at break)! More information about the tensile test can...
Cupping test

Cupping test

This article provides answers to the following questions, among others: What is the cupping test (according to Erichsen)?What is cold formability?
Test setup for Charpy impact test

Charpy impact test

This article provides answers to the following questions, among others: What are the objectives of the "Charpy impact test"?Why does "notch impact energy" represent a measure...
Measuring tool for eddy current testing

Eddy current testing (ECT)

This article provides answers to the following questions, among others: How does eddy current testing work?Why are two induction coils often connected against to each other?
Schematic setup for stress-relaxation test

Stress-relaxation test

This article provides answers to the following questions, among others: How is the stress-relaxation test performed?For which applications is the stress-relaxation test of great importance?What is...
Test setup for flexural test

Bending flexural test

This article provides answers to the following questions, among others: How does the flexural stress distribution in the cross-section of a specimen subjected to bend loading...
Determination of the creep diagram from creep curves

Stress rupture test (creep rupture test)

This article provides answers to the following questions, among others: What is a hot yield strength?What is creep?What factors influence the intensity of creep?At what temperatures...