metals alloys
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- During welding of stainless clad steel, the stainless steel deposits are diluted by fusion and mixing of the base metal.
- Dissimilar metal welds between ferritic and austenitic alloys are used extensively in power generation plants.
- Tin bronzes have found wide application in various branches of industry to fabricate parts operating under the friction conditions.
- During replacement and repair of HP heat-resisting cast alloys whose condition has deteriorated under long-term use at elevated temperature, the new material and serviceexposed alloys are joined by fusion welding.
- Modern electronics components require copper alloys to have higher strength and ductility for processing and forming.
- Recently, magnesium (Mg) alloys have become of major interest as a light-weight structural material because of their excellent specific strength.
- The currently high price of gold wire has led to the development of bonding wire made from palladium-coated-copper as a lower cost alternative.
- Due to their half metallic properties and high Curie temperatures Heusler alloys are potential key materials for future application in spin-based devices.
- The interest for TiAl intermetallic alloys is growing in the last years because of their excellent ratio between mechanical properties and density.
- recent years, shape memory alloys (SMAs) have started to attract increasing attention due to some of their dynamic properties.
- The identification and separation of different alloys are a permanent task of crucial importance in the metal recycling industry.
- family of creep-resistant, alumina-forming austenitic (AFA) stainless steel alloys is under development for structural use in fossil energy conversion and combustion system applications.
- The attainment of ultrafine ferrite grain structures in low carbon, low alloy steels is of interest because of the improvement in yield strength and Charpy impact transition temperature predicted by extrapolation of known data to very fine grain sizes.
- Although using elemental powder mixtures may provide broad alloy selection at low cost for selective laser melting (SLM), there is still a concern on the resultant microstructural and chemical homogeneity of the produced parts.
- Austempered ductile iron (ADI) has found enormous applications in recent years due to its high strength and hardness, coupled with substantial ductility and toughness.
- Manufacture of steel pipes micro-alloyed with Ti, V, Nb by high frequency electric resistance welding (HF-ERW) is a modern and efficient method, but requires a good knowledge and adjustment of various parameters influencing the welding process.
- The development of Al-Mg-Si-based alloys with advanced superplasticity and improved mechanical properties is an important task for further applications of superplastic blow-forming technology in the production of complex-shape parts.
- Magnetic, electronic and structural properties of transition metals and their alloys are a challenging subject of research in pure and applied solid state physics1.
- The FeAl-based intermetallic alloys are of great interest because of their low density, low raw material cost, and excellent resistance to high-temperature oxidation, sulfidation, carburization, and molten salts.
- Mictomagnetic alloys (1) are characterized by freezing of the spin orientations at low temperatures but, unlike in ferromagnets or in antiferromagnets, without long-range spin order.