Search results for keyword: tendency
Ingot Grain Refining Treatment
Rare earth elements are the backbone of many technologically advanced products. Their unique properties allow for the manufacture of smaller and more efficient devices, such as computers, smartphones, and medical treatments.
However, these elements also present a challenge for industry. Although ......
1032 
Jessica
Defects and Countermeasures of Large Forgings: Inclusions and Harmful Trace Elements
Defects of Large Forgings and Countermeasures
Large forgings usually refer to complex and large-scale forgings that weigh more than 10 tons and are difficult to process and inspect due to their large size, complex shape, high strength and low toughness. They are mainly used in petrochemical, powe......
Defects and countermeasures of large forgings: shrinkage cavity and porosity
Defects and Countermeasures of Large Forgings
With the deepening of industrialization, rising labor costs and environmental pollution, large forgings have become an indispensable technology in the machinery manufacturing industry. Big forgings are often used in the manufacture of precision machin......
Die forging lubrication
Friction and lubrication
Friction is the force generated between two surfaces when they are in contact and are moved relative to each other. Friction is sometimes seen as beneficial because it is essential to prevent slipping, reduce wear and tear, provide a better grip and reduce noise. But ther......
Typical defect of forgings of alloy structural steel and alloy tool steel-essential coarse and uneven grain size
Typical defects of forging parts of alloy structural steels and alloy tool steels -- Uneven macrostructure
Alloy structural steels and alloy tool steels are widely used in aspects such as mechanical and armaments manufacturing, civil engineering and so on. Forging is one of the important processe......
Brittleness of refractory metal processing
Processing Brittle Metals
Brittle metals are among the hardest metals to process due to their physical properties and tendency to fracture easily when subjected to stress. Most of the brittle metals used in manufacturing are classified as refractory materials. Refractory materials are heat-resist......
Effect of Austenite Dendrite on Shrinkage Porosity
Austenite Branch Crystals on Residual Stress
Crystal structures are the set of atoms that make up the bulk of a material. Austenite, for instance, is a crystal structure that is a type of iron-carbon alloy, with carbon interspersed between iron atoms in the crystal lattice. Austenite branch cryst......
Research on Surface Defects of Green Sand Castings (Part Two)
The hydrogen defects of wet sand type castings
Hydrogen is difficult to detect, as it is invisible and often diffuses quickly. When hydrogen defects are present, the section surface of the casting is either white or silvery white color. The surface may also show the features of hydrogen blister, ......
Anti-stick sand coating for foundry
Anti-adhesive Sand Coating Materials
Due to its properties, anti-sticking sand coating material has become a material of choice for use in the casting industry. It is used to reduce the buildup of and bonding of sand to casting molds and molds parts, while maintaining the required mold thickness.......
Effect of Fiber Orientation on General Mechanical Properties of 40CrNiMoA Steel
Influence of Fiber Orientation on Mechanical Properties of 40CrNiMoA Steel
Abstract
The mechanical properties of 40CrNiMoA steel are significantly affected by fiber orientation. In this study, the push-pull is used to measure the effect of fiber orientation on the mechanical properties of 40CrNi......
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