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The unnotched impact toughness values of three steels at different tempering temperatures
Impact toughness of non-notch steel at different annealing temperatures
Annealing is a process used to strengthen and toughen metals. This process is applicable to steel, austenitic, ferritic and martensitic stainless steel, aluminum and other metals and alloys. Annealing involves heating the met......
1025 
Lucy
Grain Boundary Melting Features
The melting properties of grain boundaries in crystalline materials are often of great relevance but complex to understand. Grain boundaries can be divided into two main groups: those in the solid state and those in the liquid state.
The solid state grain boundaries are high energy boundaries tha......
Rolling Characteristics of Vanadium Nitride Microalloyed Steel Bars
Rolling Characteristics of Vanadium-Nitrogen Micro-Alloyed Steel Rebars
Steel rebars, or otherwise known as reinforcing bars, are the backbone of any steel structure. Their importance is immense in any construction field, from massive bridges to small residential buildings. For this reason, the t......
Necessary conditions for the emergence of a stress/strain curve with a distinct yield plateau
The Necessary Conditions for a Stress-Strain Curve with a Delineated Yield Platform
The stress-strain curve (SSC) is one of the most powerful tools in the field of materials science. It is used to evaluate the strength and ductility of a material. It is also an important indicator of how the mate......
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(What is Hot Rolling)
Hot rolling is a metal forming process in which metal is heated to a temperature above its recrystallization temperature and then pressure is applied to it while it is hot. This method is often used to form larger metal parts and is known for providing higher dimensional acc......
Mechanism of Controlled Rolling Improvement of Steel Strength and Toughness
Mechanism of Rolling to Improve Strength and Toughness of Steel
Steel is closely related to our life, because it is widely used in household items, bridges, large scale engineering, transportation and manufacturing etc. Therefore, how to improve the strength and toughness of steel is an important......
Main strengthening mechanisms of microalloyed steel bars
Introduction
Micro-alloyed steel reinforcement (MAS) is a new generation of steel based on micro-alloying technology. It is characterized by higher strength, higher plasticity, excellent elongation and guaranteed weldability. The main strengthening mechanism of MAS is the precipitation of fine par......
Influence of Uneven Cooling on Products after Wire Rod Rolling
Effects of Uneven Cooling After Rolling on Products of Wire
Wire rolling is an important method widely used in metal forming, it is characterized by small deformation rate, easy realization of continuous automation production and high productivity, and usually adopts roller method of hydraulic or......
Strain Hardening Law
Stress Strengthening
Stress strengthening is the phenomenon of an increase of an objects strength due to its exposure to an applied or inherent stress. This weakened strengthening can occur in a variety of materials, both solids and liquids, and is the manifestation of an adequate alteration in t......
state of extrusion
Introduction
The phenomenon of plastic deformation occurs when forces applied to a material cause it to undergo permanent shape changes. Over the years, scientists have studied this phenomenon extensively in order to better understand the underlying physical processes, as well as to identify meth......
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