Application of Advanced Characterization Techniques for Engineering Materials

JOM, Jan 2017

Jian Li, Jiann-Yang Hwang

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Application of Advanced Characterization Techniques for Engineering Materials

JOM Application of Advanced Characterization Techniques for Engineering Materials JIAN LI 0 JIANN-YANG HWANG 0 0 1.-CanmetMATERIALS , Hamilton , Canada. 2.-Michigan Technological University , Houghton, MI, USA. 3.- - The Materials Characterization Committee under the TMS Extraction & Processing Division (EPD) Council organizes symposia for the TMS Annual Meeting and Exhibition. The aim of this technical committee is to cover a wide range of general topics that involves new and advanced characterization techniques used by materials researchers. This includes mechanical testing, x-ray diffraction and texture analyses, physical simulation, and advanced electron microscopy techniques. The committee meets at TMS conferences to discuss symposium organization, committee focus, and JOM technical topics, among other topics. Facing the vast diversified topics like extractive metallurgy, physical metallurgy, semiconductors, functional materials, coatings, polymers, ceramics and natural fibers, etc., the symposium organizers are often challenged to push forward focused sessions. In this JOM issue, the committee selected ten topranked papers from past TMS annual meetings. The authors of those papers were invited to expand their manuscripts for this JOM publication. Ping Lu’s article evaluated the microstructures, mechanical properties and failure behavior of flash butt-welded HSLA 590CL steel joints. By using microscopy techniques, he was able to determine the existence of acicular ferrite, Widmanstatten ferrite, and granular bainite in the weld. He also performed micro-hardness, mechanical testing, and CVN impact test on welded joints, and compared them with base metal properties. Shadia J. Ikhmayies studied cadmium sulfide for solar cell and optoelectronic devices applications. She fabricated CdS:In thin film by spray pyrolysis Jiann-Yang Hwang and Jian Li are the JOM advisors for the Materials Characterization Committee of the TMS Extraction & Processing Division, and guest editors for the topic Application of Advanced Characterization Techniques for Engineering Materials in this issue. and characterized the coating using x-ray diffraction (XRD) and scanning electron microscopy (SEM) in an effort to correlate with its optical parameters. Dispersion of the refractive index was analyzed with the single oscillator model, and the influence of annealing on the dispersion parameters was also discussed. Simona E. Hunyadi Murph et al. studied nanoparticle treated stainless steel filters for metal vapor sequestration. The authors developed a gold nanomaterial treated stainless steel filter (SSF) that can be efficiently used for zinc vapor sequestration. Without nanoparticle modification, stainless steel coupons do not react or alloy with Zn. The effect of surface topography on nanoparticle morphology, size and loading density were also investigated. Surface defects were found to have an impact on the AuNP growth and subsequently Zn sequestration. Bowen Li et al. characterized the anorthite pyroxene ceramics made from hot poured steelmaking slag. Anorthite ceramic has many advantages for manufacturing and applications, such as appropriate strength, low electrical conductivity, low sintering temperature, broad materials supply, and low cost. It has attracted research attention for synthesis with various minerals. Li prepared anorthite ceramics by using hot-poured steelmaking slag at various temperatures. He concluded the major mineral components of ceramic have become anorthite and pyroxene at 1200 C. Wollostonite was involved in sintering reaction when the temperature was increased to 1200 C. Zhiwei Peng led a comprehensive study on the power absorption characteristics of iron oxides and bitumite exposed to microwave radiation by evaluating their dielectric loss (QE) and/or magnetic loss (QH) distributions. He observed uneven dielectric and magnetic loss distributions in the slabs, and this phenomenon becomes more obvious at higher temperature at which the permittivity increases significantly. Identifying the power absorption Li and Hwang morphology and chemical composition of scales. Iron oxide (Fe3O4 or magnetite) scale and discrete particulates were found to exist on metal surfaces beneath the FeS scales on a low chrome steel. They suggested that the formation of the magnetite scale is a result of the decomposition of iron naphthenates at high temperatures. It is further postulated that a nano-particulate form of magnetite could improve corrosion resistance. To download any of the articles being published under the topic of Application of Advanced Characterization Techniques for Engineering Materials, follow the URL http://link.springer.com/journal/ 11837/69/2/page/1 to the Table of Contents page for the Feb 2017 issue (vol. 69, no. 2):


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Jian Li, Jiann-Yang Hwang. Application of Advanced Characterization Techniques for Engineering Materials, JOM, 2017, 133-134, DOI: 10.1007/s11837-016-2227-0