Search results for keyword: transitions
Isotherm transition curve
The Enthalpy Change of Phase transitions
When a substance undergoes a phase transition, it changes from one physical state to another. This can be seen when a solid changes to a liquid or when a liquid changes to a gas. As the molecules of the substance become less ordered and more chaotic during......
19/06/2023 
1097 
Lillian
20CrMnMo Fracture and Related Cracks
20CrMnMo Fracture and Related Cracks
Abstract
This paper discusses fracture and related cracks in 20CrMnMo materials, a high-strength low-alloy cast steel typically used in engineering applications. The article focuses on the different types of fractures that can occur in the material, and the c......
20CrNi2Mo (diameter 6mm round steel) (hot rolled) low-magnification structure and non-metallic inclusions
Introduction
20CrNi2Mo (diameter 6mm round steel) (hot rolling) is a low-alloy steel which is widely applied in the field of vehicle, shipbuilding, and other structural parts. It has good plasticity and weldability, high strength, and good corrosive resistance. The alloy steel is also suitable fo......
Multi-temperature section of ternary system
Triple-Point Temperatures on Phase Diagrams
The study of phase diagrams is an important part of physical chemistry as well as other scientific disciplines. It is essentially a chart or graph which depicts the states of thermodynamic equilibrium of a given material under varying pressures and temp......
Hydrogen treatment
Hydrogen Treatment
Hydrogen treatment, also referred to as hydrogenation, is the process of adding hydrogen to an organic compound. This is done to improve the physical and chemical properties of the compound. The hydrogen is usually added in small quantities, but it can have profound effects on ......
Method for cleaning surface defects of raw materials
Surface defect removal is an important part of the manufacturing process. A wide range of factors may cause surface defects, such as faulty cutting tools or bad machining operations, inadequate part cleaning or surface preparation before or after coating, or even manufacturing process disturbances......
crack
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Bainitic transformation
Introduction
Le Chateliers Principle is a fundamental law of thermodynamics which states that when a system is subjected to an external stress, it attempts to regain its equilibrium state through an adaptation in order to reduce the stress. The principle is derived from the fact that the free ene......
SiO2 crystal transformation (transformation of SiO2)
Silicon dioxide (SiO2) is an important compound in natural and industrial applications as a result of its thermal and chemical stability, mechanical strength and inertness, especially when compared to other silicates. Silicon dioxide has a simple crystal structure and can occur in multiple phases.......
grain boundary melting
Crystallization occurs when atoms and molecules form orderly arrangements in which the structure of the system is highly organized, usually in a three-dimensional lattice. It is the process by which many substances with certain properties such as solids are formed. The process of crystallization c......
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