12 Result(s)
within
Hui-** Chang
Engineering
Materials Science, general
Metallic Materials
-
Article
Effect of solute Ce, Mn, and Si on mechanical properties of silicon steel: insights from DFT calculations
The influence of solute Ce, Mn, and Si on the mechanical properties of silicon steel was investigated by first-principles calculation. Ce, Mn, and Si can all be solubilized in Fe matrix. Ce significantly reduc...
-
Article
Regulating microstructure and mechanical property of dissimilar joints by pretreatments of S31042 steel and Ni3Al-based superalloy bonding substrates
For the bonding couple of S31042 steel and Ni3Al-based superalloy, joint microstructure regulation plays a pivotal role in improving joint performance. Different pretreatment approaches including solution and col...
-
Article
Hot deformation behavior and processing map of low-alloy offshore steel
The hot deformation behavior of a low-alloy offshore steel was systematically investigated within the temperature range of 850–1150 °C and strain rate range of 0.01–10 s–1, via hot compression testing. The hot wo...
-
Article
Effects of yttrium and zirconium additions on inclusions and mechanical properties of a reduced activation ferritic/martensitic steel
The effects of two alloying elements, i.e., yttrium (Y) and zirconium (Zr), on the inclusion, microstructure, tensile property and impact toughness of reduced activation ferritic/martensitic (RAFM) steel are a...
-
Article
Microstructural evolution and constitutive models of 9CrMoCoB heat-resistant steel during high-temperature deformation
In order to research the hot deformation behavior of 9CrMoCoB heat-resistant steel, hot compression tests were performed over a wide range of temperatures from 850 to 1150 °C and strain rates from 0.01 to 10.00 s
-
Article
Effect of deformation twinning on high-temperature performance of cold-rolled S31042 steel
Influence of deformation twinning on high-temperature instantaneous performance of cold-rolled S31042 steel was investigated by optical microscopy, scanning electron microscopy, transmission electron microscop...
-
Article
Recent progress in friction stir welding tools used for steels
Friction stir welding (FSW) technology is being increasingly attractive in welding steels on account of the high-quality weld formation and excellent weld properties. The feasibility of FSW of steels has been ...
-
Article
Effects of tantalum on austenitic transformation kinetics of RAFM steel
The RAFM (reduced activation ferritic/martensitic) steels containing different tantalum contents (0 wt. %, 0.027 wt. %, 0.073 wt. %) were designed and cast. Differential scanning calorimetry and optical micros...
-
Article
Effects of micro-alloying and production process on precipitation behaviors and mechanical properties of HRB600
Effects of micro-alloying elements and production process on microstructure, mechanical properties and precipitates of 600 MPa grade rebars were studied by using pilot test, metallographic observation, tensile...
-
Article
Effects of embedding direct reduction followed by magnetic separation on recovering titanium and iron of beach titanomagnetite concentrate
Embedding direct reduction followed by magnetic separation was conducted to fully recover iron and titanium separately from beach titanomagnetite (TTM). The influences of reduction conditions, such as molar ra...
-
Article
Characteristics and evolution of inclusion induced surface defects of cold rolled IF sheet
Cold rolled IF sheet has a high requirement for surface quality. Nowadays, more than half of surface defects in cold rolled sheet are caused by non-metallic inclusions generated in steelmaking and casting proc...
-
Article
Nanometer Stripe Microstructure of Supersaturated Solid Solution in Fe-Cu Alloy
Strengthening due to precipitation of Cu in the α-Fe matrix is an important phenomenon utilized in the design of HSLA steels. In the present work, the microstructure of supersaturated solid solution in Fe-1. 1...
