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Fatigue characteristics and section analysis of plasma nitriding cold work die steel Mod.SKD11
Fatigue Properties and Section Analysis of Mod. SKD11 Nitrogen Ion Implantation Cold Work Mold Steel
Introduction
Nitrogen ion implantation can be used to improve the fatigue properties of cold worked mold steel. In the present study, Mod. SKD11 steel was used to investigate the fatigue properti......
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Forging technology: material preparation process for superalloy forging
Reheating and Forging of High Temperature Alloy
High temperature alloy is a kind of metal material with excellent mechanical properties, which is widely used in aerospace, aviation, automobile and other industries. In order to ensure the property of high temperature alloy, the proper pre-treatmen......
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The Value of a Good Education
In the modern world, we often hear about the value of a good education. For some of us, it seems like an abstract concept and something that is hard to understand, but for those of us who have been educated, the value of a good education is easy to recognize. Educati......
Research on Localization of Cold Stamping Die for Imported NC Punch Press
In the traditional machining process, the precision and efficiency of parts processing are limited to some extent. Fortunately, with the development of numerical control technology, the processing quality is ensured, and the production efficiency is improved to a certain level. In the current situ......
Length, curvature and weight of cold-rolled ribbed steel bars (GB 13788-2000)
Cold Rolled Ribbed Steel Bars Length, Bending and Weight
Cold rolled ribbed steel bars are commonly used for reinforcing concrete structures. They are specifically designed for ideal stress and sustainable performance. The requirements for the length, bending and weight of these pieces become inc......
Test method for strain aging sensitivity of steel (Charpy impact method) GB 4160-84
Introduction
Xiebisheng test is a common tool used in among metallographers. It is a specially studied impact test which is capable of telling the user stress-strain sensitiveness of particular materials. In this test, a sample of material is evaluated for its property of sensitizing to strain an......
Metal material laboratory uniform corrosion full immersion test method GB 10124-88
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory is the most commonly used test method to investigate the corrosion resistance of metal materials. It is performed according to the pr......
GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
Composite steel plate ultrasonic flaw detection method GB 7734-87
Ultrasonic testing is a form of non-destructive testing that utilizes the principle of ultrasound, which is the vibration of sound waves greater than the human ear can detect, to detect flaws in a material. It’s one of the most common testing methods used to inspect steel plates, and can be appli......
Iron cobalt vanadium permanent magnet alloy (GB/T14989-1994)
Introduction of Permanent Magnet-Iron Cobalt Vanadium Alloy (GB/T14989-1994)
Permanent Magnet-Iron Cobalt Vanadium Alloy (GB/T14989-1994) is a new type of permanent magnetic alloy. This alloy is composed of iron, cobalt and vanadium, which are important elements of modern new materials. Magnetic ......
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