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This volume features the latest research and practical data from the premier event for the microelectronics failure analysis community. The papers address the symposium's theme, Follow the Data!
SMST-2015: The Model for Shape Memory Application, Proceedings of the Shape Memory and Superelastic Technologies Conference (Chipping Norton, Oxfordshire, UK, May 18-22, 2015)
SMST 2015 will focus on Nitinol, but this year will include sessions on other shape memory alloys and shape memory polymers.
Final program, show directory, and tutorial presentations from the Aerospace Coatings conference held October 8-9, 2014 at the Sheraton Bradley Airport Hotel in Hartford, Connecticut, USA.
ISTFA 2014: Proceedings of the 40th International Symposium for Testing and Failure Analysis (November 9–13, 2014, Houston, Texas, USA)
"Exploring the Many Facets of Failure Analysis," is the theme of the 40th International Symposium for Testing and Failure Analysis (ISTFA 2014), November 9–13, 2014, at the George R. Brown Convention Center in Houston, Texas, USA.
Authors: M. Coloschi, V. Ramos, G. R. Gomez, M. Valdez, D. Tieppo and E. Martinez
Toughness of high-strength line pipes with longitudinal seam produced by Electric Resistance Welding (EW) is of paramount importance. During production, impact properties of the EW line are improved by a localized Post-Weld Heat-Treatment (PWHT). The heat treatment is intended to refine the structure and remove brittle constituents of the Heat Affected Zone (HAZ).
Authors: Xiang Li, Yanping Bao, Linzhu Wang, Lu Lin, Qiyi Zhang
The ladle bottom argon blowing technology was widely used in steel refining. It can not only homogeneous liquid steel temperature and composition, but also can remove inclusions by dispersed small bubbles. However, there were some problems about reoxidation of molten steel and corrosion of ladle barrel in actual production caused by unreasonable of plug position and inaccuracy of argon flow control.
A Coupled Model Of Microsegregation And Tin Inclusion Precipitation During Solidification Of Gcr15Simn In Esr Process
Authors: Liang Yang, Shijian Li, Guoguang Cheng, Min Zhao, Guiping Feng
The microsegregation and non-metallic inclusion TiN precipitation during solidification of GCrl5SiMn in ESR process is strongly harmful to steel properties. Many studies have been reported models of solute elements microsegregation during solidification, for example, Scheil model, Brody-Flemings model, Clyne-Kurz model, Ohnaka model, however, all models mentioned above are not taking the influence of inclusion precipitation on solute elements microsegregation into consideration, which will result in the overestimate of microsegregation degree.
Authors: Mingjian Hua , Qiongshu Wang, Z. Kent Li , Michael Panzeri, and Anthony J. DeArdo
A new experimental procedure is presented for evaluating the elastic modulus of steel at high temperatures, based on resonance principles, following ASTM Standards El 875-08, E1876-09, and C215.
Authors: Raghavan Srinivasan, M. Ashraf Imam
Aluminum alloys contain dispersoids, namely thermodynamically stable second phase particles ranging in size from 0.1 to 1.0 um, which are used, for example, to control grain size. The presence of second phase particles could have a beneficial or detrimental effect on fatigue behavior depending on their properties and distribution with in the aluminum matrix. Hard non-shearable particles promote cross-slip and deformation homogenization that delays fatigue crack initiation, while shearable particles result in planar slip, which promote strain reversal and crack closure and slows crack propagation.
Authors: M. J. Roy, D. M. Maijer, Y. Nadot
Aluminum foundry alloys such as A356 are used extensively in applications where high cycle fatigue (HCF) resilience is a key design consideration. Fully reversed, multiaxial HCF studies on this alloy in the T6 condition have shown that endurance limits are governed by maximum principal stress and driven by crack propagation as opposed to initiation.