15 Result(s)
within
English
Materials Science
Nanotechnology
Surfaces and Interfaces, Thin Films
Zhe** Yu
Article
-
Article
Microstructure and tribological behavior of Ti–Si eutectic alloys with Al addition
The effect of Al element alloying on the microstructure and tribological behavior of Ti–Si eutectic alloys has been studied. The experimental results show that Al element changes the microstructure from large ...
-
Article
Transient Heat and Material Flow Modeling of Friction Stir Processing of Magnesium Alloy using Threaded Tool
A three-dimensional transient computational fluid dynamics (CFD) model was developed to investigate the material flow and heat transfer during friction stir processing (FSP) in an AZ31B magnesium alloy. The ma...
-
Article
Interphase Strain Gradients in Multilayered Steel Composite from Microdiffraction
Multilayered steel composites consisting of alternating martensite and austenite layers and exhibiting a combination of high strength and ductility were successfully fabricated. To understand the microplastici...
-
Article
Friction Stir Welding of ODS and RAFM Steels
Advanced structural materials such as oxide dispersion strengthened steels and reduced-activation ferritic/martensitic steels are desired in fusion reactors as primary candidate materials for first wall and bl...
-
Article
Effects of Two-Stage Cold Rolling Schedule on Microstructure and Texture Evolution of Strip Casting Grain-Oriented Silicon Steel with Extra-Low Carbon
A 0.27 mm-thick grain-oriented silicon steel sheet with extra-low carbon was successfully produced by a novel processing route including strip casting, normalizing, two-stage cold rolling with an intermediate ...
-
Article
Influence of Heat Treatments on the Microstructural Evolution and Resultant Mechanical Properties in a Low Carbon Medium Mn Heavy Steel Plate
In this study, the microstructural evolution and resultant mechanical properties in a low carbon medium Mn heavy steel plate were investigated in detail. The results show that the introduction of medium mangan...
-
Article
The Role of Retained Austenite on the Mechanical Properties of a Low Carbon 3Mn-1.5Ni Steel
The present studies focus on the correlation between retained austenite characteristics and the cryogenic temperature Charpy impact toughness, strength, and plasticity. The steels with different volume fractio...
-
Article
Use of X-ray Computed Tomography to Investigate Rolling Contact Cracks in Plasma Sprayed Fe–Cr–B–Si Coating
Rolling contact fatigue (RCF) crack behavior within plasma sprayed coating is investigated. RCF experiments of coatings are conducted under rolling contact. Acoustic emission (AE) is used to monitor the on-lin...
-
Article
Evolution Mechanism of Inclusions in Medium-Manganese Steel by Mg Treatment with Different Aluminum Contents
To investigate the effect of magnesium addition on the evolution of inclusions in medium-manganese steel with different aluminum contents, both thermodynamic calculation and high-temperature simulation experim...
-
Article
Microstructural Evolution and Mechanical Properties of Nickel-Base Superalloy Brazed Joints Using a MPCA Filler
A new multi-principal-component alloy (MPCA) filler metal with the composition Fe5Co20Ni20Mn35Cu20 was designed for brazing Ni-base Alloy 600 (Ni-Cr-Fe). Thermodynamic calculations, including atomic size differen...
-
Article
Influence of Intercritical Temperature on the Microstructure and Mechanical Properties of 6.5 Pct Ni Steel Processed by Ultra-fast Cooling, Intercritical Quenching and Tempering
A novel treatment comprised of ultra-fast cooling, intercritical quenching and tempering is proposed to modify the microstructure and improve the mechanical properties of low-concentration Ni-containing steel ...
-
Article
Triaxial Constraint and Tensile Strength Enhancement in Brazed Joints
A brazed joint consists of a low-melting point and thin interlayer sandwiched between the high-melting-point base materials, in which the interlayer strength is typically lower than that of the base material. ...
-
Article
Machine Learning Hot Deformation Behavior of Nb Micro-alloyed Steels and Its Extrapolation to Dynamic Recrystallization Kinetics
In the present paper, a novel method was developed to predict the dynamic recrystallization (DRX) behavior during hot rolling based on machine learning in combination with physical models of niobium (Nb) micro...
-
Article
Size Effects on Dissolution Kinetics of Y-Enriched Precipitates in FeCrAlY Alloys During High-Temperature Oxidation
Our previous work demonstrated that the size of Y-enriched precipitates in FeCrAlY alloys have significant effects on their oxidation resistance. In the present work, the precipitate dissolution kinetics durin...
-
Article
A Micro-arc Oxidation/Poly(1,3-Trimethylene Carbonate) Hybrid Coating for Anticorrosion and Hemocompatibility Enhancement of High-Purity Magnesium
Magnesium (Mg) and its alloys possess good mechanical support and biodegradability, exhibiting enormous potential in the field of vascular stents. However, the rapid degradation results in premature loss of me...
