Search results for keyword: propagation
Cracking Mechanisms During Cold Heading of Duplex Steels
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Dual-Phase Steel Cold Heading Cracking Mechanism
The cold heading process is used to form and deform metal pieces, generally of ferrous alloys, to create parts for a wide range of applications. Dual-phase steel is often used in cold heading processes because its properties make it suitable for......
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True Stress-True Strain Curve
Bases of Stress and Strain Curves
Stress–strain curves are generated by conducting tensile tests. During such tests, a material is mechanically loaded from its free state, which results in a deformation (strain) according to Hooke’s law. The applied force (stress) is plotted over the resulting ......
Stamping Performance Test of Sheet Metal--Cracking during Forming
Sheet Metal Forming Fracture Test
Sheet metal forming involves the reshaping of a sheet of metal into a new form by applying various forming techniques. These techniques range from drawing, blanking, embossing, and extrusion. During the forming process, the metal is stressed and load is applied t......
peritectic reaction
Hydrogen embrittlement becomes a serious failure mode of many industrial metallic materials, especially on high-strength steels or alloys that experience high mechanical stress or fatigue, when subjected to high hydrogen content environment. Hydrogen embrittlement of metals is an important phenome......
Arc Ultrasonic Technology and Its Industrial Application
Abstract
Arc ultrasonic technology is an important branch of physical acoustics. It is widely used in industry. Ultrasound is a kind of mechanical vibration wave of over 20 khz frequency, which can be seen from the physical properties of arc. Ultrasonic technology and arc have many similarities a......
Tensile restraint crack test
Abstract
This paper introduces a numerical method for the evaluation of the fatigue crack propagation and other related properties of the material in the orthotropic composite which is commonly used for material and component characterization. The main goal of this research is to use the von Mise......
The world's highest strength aluminum alloy
Aluminium alloy is one of the most commonly used structural materials in the world. It is used for a variety of applications including automotive, aerospace and engineering structures. Aluminium alloy is light weight, strong and provides excellent corrosion resistance and fatigue resistance.
Alum......
Superalloy Grain Boundary Strengthening
Introduction
High temperature alloys are a special class of materials that offer a unique combination of mechanical and physical properties. They are suitable for use in a wide range of industrial applications, including those in aerospace, automotive, military and petrochemical industries. High ......
Graphite Fracture Toughness
Introduction
Fracture toughness is a measure of solid materials resistance to fracture, or the amount of energy required to propagate a crack when stress is applied. It is an important mechanical strength property which can be used to define the behavior of materials under dynamic loading, fatigue......
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