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RISSulfur Effects on High Temperature Creep and Fracture Behavior of 25Cr35Ni–Nb Alloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Centrifugal cast 25Cr35Ni–Nb alloy furnace tubes with different contents of S are selected to investigate effects of S addition on creep and fracture behavior. Rupture tests in air at 1100 آ°C and 17 MPa and slow ...
Magnetic Method for Rapid Detection of Carburization Degree of Fe–Cr–Ni Series High-Temperature Heat-Resistant Alloy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rapid detection technology of the carburization of Fe–Cr–Ni high-temperature heat-resistant alloys in the ethylene cracking furnace and the hydrogen conversion furnace is in great need to prevent industrial accident. This ...
Experimental and Numerical Study of Supersonic Non-ideal Flows for Organic Rankine Cycle Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The organic Rankine cycle (ORC) is low-grade heat recovery technology, for sources as diverse as geothermal, industrial, and vehicle waste heat. The working fluids used within these systems often display significant real-gas ...
Comparison of Four Friction Models: Feature Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we provide not only key knowledge for friction model selection among candidate models but also experimental friction features compared with numerical predictions reproduced by the candidate models. A motordriven ...
Carburization of Ethylene Pyrolysis Furnace Tube in a Petrochemical Plant
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Carburization phenomena of the ethylene pyrolysis furnace tube made of 25Cr35NiNb alloy were investigated after service for approximate 30,000 h in a petrochemical plant. Three different zones, namely, oxidation zone, ...
Experimental Study on Fatigue Behavior of Cracked Rectangular Hollow-Section Steel Beams Repaired with Prestressed CFRP Plates
Publisher: American Society of Civil Engineers
Abstract: The bending fatigue test results on cracked rectangular hollow section (RHS) steel beams repaired with prestressed carbon fiber-reinforced polymer (CFRP) plates are presented. The steel beams were artificially cut on the ...
Estimating Antiwear Properties of Ionic Liquids as Lubricant Additives Using a QSTR Model
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The antiwear properties of ionic liquids (ILs) as lubricant additives were studied with polyethylene glycol (PEG) used as the lubricant base oil. The quantum parameters of the ILs were calculated using a Hartree–Fock ab ...
A Quantitative Structure Tribo-Ability Relationship Model for Predicting the Antiwear Properties of Ionic Liquids as Lubricant Additives in Dimethyl Sulfoxide
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The structural parameters of 23 ionic liquids were calculated by the Hartree–Fock ab initio method. The relationship between the antiwear properties of ionic liquids dissolved in dimethyl sulfoxide and the structural ...
Mechanism of Interior Ballistic Peak Phenomenon of Guns and Its Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The erosion and wear in the gun barrel will get worse with an increase in the number of projectiles fired. Generally speaking, the ballistic performance of the gun, measured through indicators ...
Detection of Cracks in 25Cr35NiNb Ethylene Pyrolysis Furnace Tubes by Metal Magnetic Memory Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cracking in 25Cr35NiNb pyrolysis furnace tubes is difficult to detect in engineering production. This paper presents a metal magnetic memory technique for inspecting cracks. To verify the effectiveness of the proposed ...