111 Result(s)
within
Characterization and Evaluation of Materials
Materials Engineering
Yu** Zhou
Chapter
Conference Paper
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Chapter and Conference Paper
Precipitation of the Gamma Prime Phase in a Ni-Co-Based Superalloy during Different Stages of Cooling
The cooling precipitation of the gamma primary (γ′) phase in a precipitation strengthened Ni-Co-base disk superalloy was investigated by various experimental and analytical methods. The alloy was super-solvus ...
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Chapter and Conference Paper
The Production of Bio-Steel and its Applied Research on Watches
Nickel free high nitrogen austenitic stainless steel has bio-friendly characteristics can be widely used in the products direct contacting with the skin, because it doesn’t contain nickel which may make people...
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Chapter and Conference Paper
Effect of Ultra-Fast Cooling on Microstructure and Properties of High Strength Steel for Shipbuilding
The effect of ultra-fast cooling(UFC) and conventional accelerated cooling(AcC) on the mechanical properties and microstructure of controlled rolled AH32 grade steel plates on industrial scale were compared us...
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Chapter and Conference Paper
3D Analysis of Phase Separation in Ferritic Stainless Steels
The embrittlement of ferritic stainless steels during low temperature aging is attributed to the phase separation with Fe and Cr demixing. The small scale of the decomposed structure with only minor compositio...
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Chapter and Conference Paper
Influence of Y/Zn Mole Ratio on the Phase Composition and Mechanical Properties of Mg-Y-Zn Alloys
The influence of Y/Zn mole ratio on the phase composition and mechanical properties of the Mg-Y-Zn alloys has been investigated. The results show that with the decrease of Y/Zn ratio, the Mg24Y5, 18R-LPSO phase a...
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Chapter and Conference Paper
Serrated Flow in 9-11Cr Ferritic/Martensitic Steels
9–12%Cr ferritic/martensitic steels have been suggested for structural applications in Generation-IV reactors. Because of the high temperatures approaching 823–973 K envisioned in the designs of Generation IV ...
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Chapter and Conference Paper
Effect of Heattreatment on the Microstructure and Properties of Cold-worked Inconel 740H Boiler Tubes
The effect of the pre-aging heattreatment on microstructures, the hardness, tensile strength and creep properties of Inconel 740H ha been investigated. The carbides precipitated along the grain boundaries, and...
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Chapter and Conference Paper
The Effect of Silicon Additions on the Thermal Stability and Morphology of Carbides in a Ni-Mo-Cr Superalloy
The effect of silicon additions on the thermal stability and morphology of carbides has been investigated in a Ni-Mo-Cr superalloy. It is found that granular M6C carbides form at the grain boundaries in the stand...
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Chapter and Conference Paper
Study on Dynamic Strain Aging and Low-Cycle Fatigue of Stainless Steel in Ultra-Supercritical Unit
Dynamic strain aging (DSA) and low-cycle fatigue (LCF) behavior of TP347H stainless steel in ultra-supercritical unit were investigated at 550–650 °C. All the LCF tests were carried out under a fully-reversed,...
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Chapter and Conference Paper
Nb Effects on the Dynamic Recrystallization Behavior and Mechanical Properties of V/Ti Alloyed Non-Quenching and Tempering Steel
The dynamic recrystallization behaviors of the microalloyed non-quenching and tempering steels of 38MnVS and C38N2 were studied by the simulation of hot deformation in the Gleeble3800. The stress versus strain...
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Chapter and Conference Paper
Strengthen-Mechanism and Corrosion Resistance of Niobium Added HSLA Weathering H-Beams Processed by Ultra-Fast Cooling Process
Strengthen-mechanism and corrosion resistance of niobium addition high strength low alloy weathering H-beams produced by ultra-fast cooling technology, had been investigated in this research. The results show ...
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Chapter and Conference Paper
Field Strain Measurement on the Fiber-Epoxy Scale in CFRPs
Laminated composites are materials with complex architecture made of continuous fibers (usually glass or carbon) embedded within a polymeric resin. The properties of the raw materials can vary from one point t...
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Chapter and Conference Paper
An Approach to Improve the Tensile Ductility of Particle Reinforced Ultrafine-Grained Metallic Composite by Nano-Dispersion Toughening
Nano-Al2O3 dispersoids were introduced and uniformly distributed into the matrix of micron B4Cp reinforced ultrafine-grained Al composite by a “flake powder metallurgy” (flake PM). The resulting B4Cp/Al(Al2O3) hi...
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Chapter and Conference Paper
Effect of Mo Addition on the Precipitation Behavior of Carbide in Nb-Bearing HSLA Steel
The effect of Mo addition on the precipitation of carbides both in austenite and ferrite of Nb-bearing HSLA steel were investigated by stress relaxation and transmission electron microscopy (TEM). Experimental...
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Chapter and Conference Paper
Hot Deformation Behavior of an Fe-Al Steel in the Two Phase Region
The Thin Slab Cast Direct Rolling (TSCDR) process offers several economic and environmental advantages. The elimination of slab reheating and roughing deformation, however, leave fewer opportunities for grain ...
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Chapter and Conference Paper
The Effect of Tempering Process on Microstructural Characteristics and Mechanical Properties of Induction Bend Pipe
The heat treatment during manufacturing process of induction bend pipe had been simulated. The evolutions of ferrite, M/A island and substructure after tempering at 500~700 °C were characterized by means of op...
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Chapter and Conference Paper
Effect of Tempering Temperature on the Low Temperature Toughness of the Cr-Mo Alloyed Pressure Vessel Steels
The effect of tempering temperature on the low temperature toughness of the Cr-Mo alloyed pressure vessel steels containing 0.54 % and 1.55 % Si during the normalizing and tempering heat treatment was investig...
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Chapter and Conference Paper
Effect of Long Time Thermal Exposure on Microstructure and Mechanical Properties of C276 Superalloy
Due to the perfect mechanical properties and acceptable corrosion resistance, nickel-based superalloy C276 has been selected as the primary structure material of the experimental loop in thorium molten salt re...
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Chapter and Conference Paper
High Temperature Properties Test and Research of 9Cr1Mo (P9) Seamless Pipe Used in Petrochemical Industry
Production technical process of BaoSteel-produced 9Cr1Mo (P9) seamless pipe is presented, and creep property of isothermal annealed state of that steel is studied under the temperatures of 550 °C, 600 °C, 650 ...
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Chapter and Conference Paper
The Corrosion Resistance of Weathering Steels in Atmospheric Exposure and Laboratory-accelerated Corrosion Tests
The corrosion resistances of weathering steel and structure steel in atmospheric exposure and laboratory-accelerated corrosion tests have been investigated. The results showed that the corrosion rate of weathe...
