Aluminum-silicon Casting Alloys: An Atlas of MicrofractographsMalgorzata Warmuzek This atlas provides an in-depth understanding of the metallurgy and fracture behavior of aluminum-silicon casting alloys, which are used in a wide variety of automotive, aerospace, and consumer product applications. The atlas includes over 300 high-definition microfractographs of fracture profiles and fracture surfaces, accompanied with detailed descriptions and analysis of the fracture features and their significance in the selection, processing, properties, and performance of the alloy. The microfractographs are described and classified according to criteria described in detail in the introductory chapters in the book. The factors determining the fracture mechanism in these alloys, on the basis of their physical and mechanical properties and fracture mechanics, are described and analyzed. The set of micrographs in this atlas include several unique features: classification according to the alloy and its processing history, detailed analysis of selected microregions of the fracture surface, reference of the fracture features to the phase constituents of the alloy, and high resolution and high microscopic magnification of the SEM images. This book will be of great value to anyone involved in the selection, processing, application, testing, or evaluation of aluminum-silicon castings. The target audience includes metallurgists, foundry personnel, failure analysts, purchasers of castings, researchers in physical and mechanical metallurgy, students, and educators. |
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Aluminum-silicon Casting Alloys: An Atlas of Microfractographs Małgorzata Warmuzek No preview available - 2004 |
Common terms and phrases
AlSi7Mg aluminum and silicon Aluminum Association aluminum solid solution aluminum-silicon alloy Aluminum-Silicon Casting Alloys ASM International atoms brittle eutectic phases cellular fracture cellular morphology cleavage cracks cleavage facets cleavage steps crack front crossed cracked silicon cracks are visible crossed the cleavage decohesion deformed aluminum solid dendrite Detail developed surface ductile fracture electron Fatigue fracture formed Fractography fracture mechanism fracture morphology fracture of medium-developed Fracture profile fracture surface hypereutectic intercrystalline fracture interface between aluminum interface cohesion intermetallic intermetallic phase main crack crossed material matrix mechanical properties medium-developed surface microdeformation micrograph micronecks microregions microstructure observed parallel cleavage planes permanent mold casting plastic deformation polyphase region primary silicon crystal profile line profile of specimen Refined secondary cracks shear dimples shear edge shear surface silicon particles silicon precipitates specimen after static static tensile test step bands stress Surfaces of Alloy tear ridge test at 21 Transcrystalline fracture two-phase region V-notch impact test Warmuzek
Popular passages
Page 27 - MF Ashby, C. Gandhi, and DMR Taplin, Fracture-Mechanism Maps and Their Construction for FCC Metals and Alloys, Acta Metall, Vol 27, 1979, p 699-729 2.59.
Page 9 - O. Vorren, JE Evensen and TB Pedersen, "Microstructure and Mechanical Properties of AlSi(Mg) Casting Alloys," AFS Trans., (92) (l984), 459-466.
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Page 28 - ... (E + L~,) , respectively, and treats the problem ignoring truncation effects. The proposed quantitative fractographic model outlined in detail in Ref. [l] is, therefore, based on the employment of stereological methods to the maximum profile-height region enveloping a fracture surface. REFERENCES 1. SM El-Soudani, "Theoretical Basis for the Quantitative Analysis of Fracture Surfaces,
Page 10 - Examination possibilities of the light microscope, the scanning electron microscope, and the transmission electron microscope...