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microretassure

métallurgie et sidérurgie - iate.europa.eu
Prevention of porosity formation and other effects of gaseous elements in iron castingsIron foundries have observed porosity primarily as interdendritic porosity in large freezing range alloys such as Ni-Hard I and hypoeutectic high Cr alloys or pinholes and fissure defects in gray and ductile irons....
général - core.ac.uk - PDF: digital.library.unt.edu
A study of aluminum-lithium alloy solidification using acoustic emission techniques... A model attributes this to the formation of interdendritic porosity which was not present in the pure aluminum....
métallurgie et sidérurgie - iate.europa.eu
The effect of shell thickness, insulation and casting temperature on defects formation during investment casting of ni-base turbine blades... It was observed that, in thin sections, increased shell thickness helps to increase the feeding distance and thus avoid interdendritic shrinkage....
général - core.ac.uk - PDF: doaj.org
Effect of trace be and sc additions on the mechanical properties of a357 alloys... Compact iron-bearing intermetallic compounds could improve fluidity, causing a reduction in interdendritic shrinkage during solidification....
 PDF: doaj.org
métallurgie et sidérurgie - iate.europa.eu
Modeling of solidification conditions and melt treatment on microporosity formation... Hence, it is important to develop a comprehensive model to predict size, location and distribution of microporosity in casting....
urbanisme et construction / métallurgie et sidérurgie - core.ac.uk - PDF: www.wseas.us
métallurgie et sidérurgie / industrie mécanique - iate.europa.eu techdico
Repair of precision castings made of the inconel 713c alloy... Industrial experience has shown that precision-cast components of such complexity contain casting defects like microshrinkage, porosity, and cracks....
général - core.ac.uk - PDF: doaj.org
Influence of the casting process in high temperature fatigue of a319 aluminium alloy investigated by in-situ x- ray tomography and digital volume correlation ... In the cylinder heads produced by the LFC process, the microstructure consists of hard intermetallic phases and large gas and microshrinkage pores....
Fatigue strength prediction of ductile irons subjected to combined loadingThe fatigue strength of ductile iron is influenced by small defects such as graphite nodules and microshrinkage cavities existing in the structure....
Crack resistance behaviour of pressure die cast magnesium alloys... Because of the cast-induced defects like microshrinkage and gas inclusion the good intrinsic properties of the alloys are not exploited
métallurgie et sidérurgie - iate.europa.eu

Publications scientifiques

Study of microporosity formation in nickel-base superalloyspeer reviewedaudience: researcher, professional, studentThe susceptibility of nickel-base superalloys to microporosity formation is studied experimentally and theoretically....
général - core.ac.uk - PDF: orbi.uliege.be
Polymers of intrinsic microporosityThis paper focuses on polymers that demonstrate microporosity without possessing a network of covalent bonds—the so-called polymers of intrinsic microporosity (PIM)....
général - core.ac.uk - PDF: core.ac.uk
Triptycene-based organic molecules of intrinsic microporosityFour Organic Moleculesof Intrinsic Microporosity (OMIMs) wereprepared by fusing triptycene-based components to a biphenyl core.Due...
général - core.ac.uk - PDF: figshare.com
Catalytic behavior of brønsted acid sites in mww and mfi zeolites with dual meso- and microporositybS Supporting Information ABSTRACT: The catalytic behavior of Brønsted acid sites in three acidic zeolite materials (one MWW and two MFI zeolites) containing dual meso-/microporosity was studied using ethanol dehydration and monomolecular conversion of propane and isobutane as probe reactions....
général - core.ac.uk - PDF: liu.umd.edu


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