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The initial permeability μi is a fundamental parameter of soft ferrite materials. In communication equipment, most electronic transformers operate at low flux densities, where the material's permeability plays a crucial role. When the material has a high permeability, a smaller number of turns in ... Read More
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Nitrile rubber (NBR) is an elastomer made from acrylonitrile and butadiene, known for its excellent resistance to oil and fuel. However, due to the presence of carbon-carbon double bonds in its structure, it is susceptible to degradation by heat, oxygen, ozone, and strong chemicals, making it ... Read More
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Continuing from last week, today I would like to introduce micro-dynamic corrosion wear, the English name: Fretting. foreword The introduction of micro-motion (corrosion) wear is primarily based on my previous work experience. For example, even though there is no obvious relative motion between two ... Read More
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In the power systems of modern industrial equipment and high-speed trains, bearings must operate stably under conditions of high speed, high load, and continuous thermal cycling. This is particularly true for traction motors in rail vehicles, high-speed main shafts, and high-temperature motors in ... Read More
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Gamma Knife is a non-invasive treatment system that combines stereotactic technology with focused radiotherapy. It destroys diseased tissue by focusing gamma rays precisely to achieve the effect similar to surgical resection. Body gamma knife Gamma knife has two types: head gamma knife and body ... Read More
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17-4PH stainless steel (ASTM) is a martensitic precipitation-hardening type, equivalent to the national standard 05Cr17Ni4Cu4Nb. This type of stainless steel has a low carbon content and high Ni and Cr content, making it highly weldable and corrosion-resistant. Additionally, the steel contains a ... Read More
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In addition to the more common fatigue fractures, you might occasionally encounter brittle fractures. There are many causes of brittle fractures, and analyzing them can be quite challenging. However, if you understand the factors that lead to brittle fractures and consider the actual application ... Read More
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1. Characteristics of complex products It is customary to call a product with three or more forming surfaces as complex product, which has the following characteristics: A. Three or more forming surfaces; B. Complex structure and asymmetry; C. Small size and thin wall. The figure shows the EPC type ... Read More
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Overhead Paint Conveyor Line Utilizes an overhead chain-type conveyor system with chains and tracks that can bend and elevate freely. It mainly consists of a spray booth, chamber, overhead conveyor system, heating system, control system, and exhaust system. The chamber features a frame structure ... Read More
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The so-called coating refers to the covering of protective layer or decorative layer on metal and non-metal surfaces. With the development of industrial technology, coating has been developed from manual to industrial automation, and the degree of automation is getting higher and higher, so the ... Read More
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