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  • What is a high-entropy alloy?

    What is a high-entropy alloy?

    What is a high-entropy alloy? The development experience of traditional alloys believes that after more metal elements make up the alloy, many brittle intermetallic compounds with complex structures will be formed, which will deteriorate the properties of the alloy. However, in recent years, r ...

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  • Microstructure and properties of Ni based corrosion resistant alloy hastelloy C-276 seamless pipe

    Microstructure and properties of Ni based corrosion resistant alloy hastelloy C-276 seamless pipe

    The nickel-based corrosion-resistant alloy: Hastelloy C-276 blank tube is extruded by hot extrusion process. A 25 mmx2.5 mm seamless tube was developed through multi-pass cold rolling deformation. The results show that the average grain size of Hastelloy C-276 alloy pipe is about 7, and it has ...

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  • Analysis of the research status of the deformation of metal parts in laser additive manufacturing

    Analysis of the research status of the deformation of metal parts in laser additive manufacturing

    Laser additive manufacturing is a near-net-shape technology that manufactures solid parts based on material discrete-gradual accumulation. This technology usually uses metal powder as the raw material, sets the laser scanning path through the pre-layered processing of the three-dimensional model, ...

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  • What is 45# steel?

    What is 45# steel?

    What is 45# steel? 45# steel is a carbon structural steel with a carbon content of 0.45%. It is characterized by low price, good cutting performance, high hardness after quenching, and good toughness and wear resistance after quenching and tempering. 45# steel is widely used in the manufa ...

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  • Study on the structure and properties of tantalum metal

    Study on the structure and properties of tantalum metal

    Tantalum is an indispensable strategic raw material for the development of electronics industry and space technology. With its unique structure and properties, tantalum has great applications in orthopedics, electronics, chemical and metallurgical industries. This article mainly introduces the ...

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  • Commonly used HV-HB-HRC hardness comparison table

    Commonly used HV-HB-HRC hardness comparison table

    What is hardness? Hardness refers to the ability of a material to resist local deformation, especially plastic deformation, indentation or scratches. It is a measure of the hardness of the material. Commonly used HV=HB=HRC hardness comparison table Tensile strength ...

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  • How to choose flat washer and spring washer correctly?

    How to choose flat washer and spring washer correctly?

    What is a flat washer? The flat washer is mainly stamped out of an iron plate. The shape is generally a flat washer with a hole in the middle. The role of flat washer Flat washers are usually thin pieces of various shapes used to reduce friction, prevent leakage, isolate, prevent loose ...

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  • What is a stainless steel threaded automatic exhaust valve?

    What is a stainless steel threaded automatic exhaust valve?

    What is a stainless steel threaded automatic exhaust valve? Stainless steel threaded automatic exhaust valve is used in water system heating, fire fighting, water supply and drainage, to eliminate pipeline bubbles, eliminate air resistance, and prevent uneven cold and heat caused by reduced wa ...

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  • Performance and application of industrial pure zirconium

    Performance and application of industrial pure zirconium

    The chemical composition, processing, heat treatment, performance, safety and application of industrial pure zirconium in my country are briefly introduced. The symbol of zirconium is Zr, which is located in the IV-B group of the periodic table. It is a silver-white metal. It has a high me ...

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  • Difficulties in processing ASTM A182 F51 duplex stainless steel

    Difficulties in processing ASTM A182 F51 duplex stainless steel

    Yaang has undertaken the trial production of a fluid rotary head installed in tens of meters deep sea water under the sea. When the fluid rotating head works, it should meet the requirements of no leakage inside and outside, strong corrosion resistance, and be able to adapt to a variety of fluid ...

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  • What is zirconium?

    What is zirconium?

    What is zirconium? Zirconium is a kind of active metal, which is easy to produce oxidation reaction. If it can react with oxygen in the air at room temperature to form an oxide protective film. This protective film gives zirconium and zirconium alloys the best corrosion resistance. This oxide ...

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  • How to improve the heat transfer coefficient of heat exchanger?

    How to improve the heat transfer coefficient of heat exchanger?

    Changing fluid flow Increase the flow rate Increasing the velocity can change the flow state and increase the turbulence fluctuation. For example, tube side and shell side split in shell and tube heat exchanger is one of the measures to increase flow rate, process length and disturbance. Ho ...

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