Search results for keyword: microhardness
Absolute Grindability
Absolute Grinding Hardness
Grinding hardness is a measure of material’s hardness or the ability of material to resist grinding by abrasive forces. Grinding hardness is most commonly measured when working with metals. Grinding hardness is the ability of a material to resist grinding contact and t......
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Influence of white spots in forging on the mechanical properties of chromium-nickel-molybdenum steel
The Effect of White Point on the Mechanical Properties of Chrome-Nickel-Molybdenum Steel in Cold Forging
Abstract
Cold forging is a metal forming process formed at room temperature without the use of heat or high pressure. In cold forging processes such as pressing and rolling, white points, whi......
Mechanical Properties of Weld Metal in Structural Steel Nozzle Electroslag Welding
Welding is one of the most commonly used methods of joining metals for structural applications in construction and automation. Many different types of welding processes exist, ranging from spot welding to furnace brazing and even arc welding. Of these, arc welding is the most widely used. In arc ......
Influence of Normalizing Cooling Rate of Ductile Iron on Pearlite Quantity
Ball iron is a common material for various metal products. It is one of the most widely used materials in industry, and has a wide range of applications in various fields, such as automobile manufacturing, shipbuilding and aircraft. In the auto industry, iron ball is widely used for product proces......
Influence of Ion Nitriding Process on Tool and Die Quality
The Impact of Ion Nitriding Process on Tool Quality
Ion nitriding is a surface engineering technology in which a treated object is exposed to nitrogen or nitrogen-containing compounds in an energetic plasma to increase the microhardness of the object. This process has many industrial and enginee......
Research on the Influence of Two Kinds of Quenching Oils on the Heat Treatment Quality of Leaf Springs (Part Two)
3. Research methods
3.1 Sample selection
In order to analyze the effect of the two kinds of quenching oils on the quality of spring heat treatment, 15 springs were selected in the factory, and each spring was divided into three samples. Sample 1 was treated with quenching oil A, sample 2 was tre......
Effect of Annealing Temperature on Microstructure and Hardness of Chilled Low Chromium Molybdenum Ductile Iron Roll
Effect of Annealing Temperature on Microstructure and Hardness of Cold-Worked Low Cr-Mo-Ball Iron Rolls
Abstract
In this paper, the effects of annealing temperature on hardness and microstructure of cold-worked low Cr-Mo-ball iron rolls were studied. Metallographic analysis and nanoindentation t......
Effect of Vacuum Induction Melting Frequency on NiTi Shape Memory Alloy
Effect of Vacuum Induction Melting Frequency on Nickel-Titanium Shape Memory Alloy
Abstract
NiTi shape memory alloys (SMAs) are known for their ability to remembers their original shape after the removal of external forces. Currently, vacuum induction melting (VIM) process is used to produce NiT......
Determination of microhardness of Carbon Products
microhardness of Carbon Products
Carbon products are widely used in a variety of industries, including automotive, aerospace, wind power, medical, and electronics. The microhardness is one of the most important parameters to measure the performance of carbon products. It refers to the material’s......
Stainless steel blanks for forgings (YB/T5089-1993)
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Stainless steel billets are often used in the production of forgings, due to their particular characteristics of strength and resistance to corrosion, which makes them ideal for use in high-pressure, high-temperature and aggressive environments. This paper presents an overview of......
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