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rolling elastic-plastic curve
Rolling Element Forge Plasticity Curve
Rolling elements, such as bolts and nuts, are essential parts of machine tools and production automation. The demands for higher precision, performance and stability of machine tools are increasing, thus higher requirements are imposed on rolling element for......
1042 
Sophia
Factors Affecting Vibration Mark Depth
The Impact of Shallow Rifling Depth on Gun Performance
The “rifling” of a barrel refers to the grooves cut into the barrel that give a bullet its ability to spin and gain accuracy in flight. Rifling is the process of cutting a pattern or groove into the internal surface of a barrel, resulting ......
protective pouring
We all need protection from things that can harm us: whether it be from ultraviolet radiation from the sun, floods, bullets, or anything else that might cause harm. Formulas, suggestions, and other kinds of protection can help us safeguard our physical, mental and emotional well-being.
One form o......
Spherical ink
History of Ink
Humans have been writing and leaving marks since the beginning of civilization, and the earliest records of ink date back over five thousand years ago. Ancient Sumerians and Egyptians used vines, leaves and bark to create inks for their purposes. The ancient Egyptians were the firs......
boron carbide
Boron Carbide
Boron carbide, or B4C, is an extremely hard ceramic material. It is one of the hardest known materials, ranking next to diamond in terms of hardness. The material is composed of equal numbers of boron and carbon atoms and is normally gray or black in color, though it may occur in ot......
Hydroxonite
Silicon carbide (SiC), also known as carborundum, is a compound of silicon and carbon with a chemical formula of SiC. It occurs in nature as the extremely rare mineral moissanite.
Silicon carbide has been synthesised and studied for over a hundred years and its properties have been used in a numb......
Production of Tungsten
Tungsten is one of the most durable and useful metals around, and its production has become a major part of the modern industrial system. Tungsten is used in a variety of applications, including medical, consumer good, automotive and technological products. In fact, tungsten is so versatile that i......
Producing Sponge Titanium by Sodium Thermal Reduction
Introduction
Sponge titanium is a titanium-based brittle material with a large specific surface area. It is a nano-material with a lacy or foam-like structure. Sponge titanium is a promising material for engineering application due to its light weight, good strength and wear resistance, high temp......
Tungsten Thorium Alloy
Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. Tungsten is a rare metal found naturally on Earth only in chemical compounds. It is found in a few unusual minerals, but most often deposited in hot springs and as veins in rocks. It is also obt......
lead silver alloy
，标题：Lead Silver Alloys
Lead Silver Alloy is a metal alloy composed of lead and silver. It is an important component in numerous industrial applications. In industry, it is used for electrical and electronic applications, petrochemicals, transportation, manufacturing and other specialized produc......
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