Concept

Die casting

Related publications (73)

An intelligent system for predicting HPDC process variables in interactive environment

The selection of optimal parameters in high pressure die casting process (HPDC) has been long recognized as a complex nonlinear problem due to the involvement of a large number of interconnected process variables, each influencing the flow behavior of molt ...

Elsevier2008

Determination of the thermophysical properties of a CuCr1Zr alloy from liquid state down to room temperature

Jean-Marie Drezet

Laboratory tests and inverse methods are used for the determination of the thermophysical properties of a CuCrZr alloy. The solidification path (temperature versus solid fraction curve) is determined using the Single Pan Thermal Analysis (SPTA) technique d ...

2008

About Initial Solidification In Continuous Casting Of Steel

Wilfried Kurz

High solidification velocities, high temperature gradients and strong melt flow characterize the first moments of solidification in a continuous caster. The beginning of shell growth in the meniscus area is determined by the local heat flow, the strength o ...

2008

Fatigue design of cast steel nodes in tubular bridge structures

Alain Nussbaumer, Senta Haldimann

Due to their aesthetic and structural advantages, tubular space truss structures are enjoying increasing popularity in modern bridge construction. The use of cast steel nodes for the joints between the circular hollow section members is also becoming incre ...

Elsevier2008

The influence of 0-0.1 wt.% Ni on the microstructure and fluidity length of Sn-0.7Cu-xNi

Michel Rappaz, Tina Ventura

Alloys based on the Sn-0.7Cu-xNi system are potential Pb-free solders. In this paper we report on the solidification characteristics and microstructures of Sn-0.7Cu alloys containing 0-1,000 ppm nickel. The microstructural observations show that increasing ...

Springer Verlag2008

Tensile properties of as-cast aluminum alloys AA3104, AA6111 and CA31218 at above solidus temperatures

André Phillion

The tensile mechanical response of three semi-solid as-cast aluminum alloys - AA3104, AA6111, and CA31218 (an alloy similar in composition to AA3003) - was measured between a fraction solid f(s) similar to 0.85 and f(s) similar to 1 in order to establish t ...

2008

A new tensile test for aluminum alloys in the mushy state: Experimental method and numerical modeling

Michel Rappaz, Vincent Mathier, Piero Daniele Grasso

A fairly simple experimental setup has been designed for testing the resistance of the mushy zone of alloys during solidification under tensile conditions. It has been used to study the effect of coalescence among the solid grains at a late stage of solidi ...

2008

Terahertz Quantum Cascade Lasers based on two-dimensional photonic crystal resonators

Romuald Houdré, Marcella Giovannini, Jérôme Faist, Lorenzo Sirigu

We demonstrate high spectral control from surface emitting THz Quantum Cascade Lasers based on a two-dimensional photonic crystal cavity. The perforated top metallic contact acts as an in plane resonator in a tight double-metal plasmonic waveguide providin ...

2008

Ultra-thick micro-optical components using the PRISM photosensitive flexopolymer

Martinus Gijs, Abdeljalil Sayah, Virendra Kumar Parashar, Venkataragavalu Sivagnanam

We present the photosensitive flexopolymer PRISM as a new promising material for the realization of thick optical components. The PRISM flexopolymer can be directly polymerized using conventional UV exposure and is simply developed in a water-based solutio ...

2007

Two-phase modelling of hot tearing in aluminium alloys using a semi-coupled method

Vincent Mathier

Hot tearing is one of the most severe defects observed in castings, e.g. in billets or sheet ingots of aluminum alloys produced by DC casting. It is due to both tensile strains and a lack of interdendritic feeding in the mushy zone. In order to predict thi ...

EPFL2007

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