Metal Alloys
Metal Alloys - Related Videos
11:14
Designing Silk-silk Protein Alloy Materials for Biomedical Applications
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Cited by 2 •
2014
Blending is an efficient approach to generate biomaterials with a broad range of properties and combined features. By predicting the molecular interactions between different natural silk proteins, new silk-silk protein alloy platforms with tunable mechanical resiliency, electrical response, optical transparency, chemical processability, biodegradability, or thermal stability can be designed.
06:52
Nanocrystalline Alloys and Nano-grain Size Stability
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2023
Source: Sina Shahbazmohamadi and Peiman Shahbeigi-Roodposhti-Roodposhti, School of Engineering, University of Connecticut, Storrs, CT Alloys with grain size less than 100 nm are known as nanocrystaline alloys. Due to their enhanced physical and mechanical properties, there is an ever-increasing demand to employ them in various industries such as semiconductor, biosensors and aerospace. To improve the processing and application of nanocrystalline alloys, it is necessary to develop close to 100%...
12:02
Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
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Cited by 5 •
2017
This protocol describes the measurement of the electromotive force of alkaline-earth elements in liquid metal alloys at high temperatures (723-1,123 K) to determine their thermodynamic properties, including activity, partial molar entropy, partial molar enthalpy, and phase transition temperatures, over a wide composition range.
08:32
Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
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Cited by 8 •
2016
An indirect additive manufacturing method combining a 3D printing of polymers with a centrifugal casting is outlined for manufacturing 3D octet truss metals (Al and Cu alloys) having a unit cell length of 5 mm with a wall thickness of 0.5 mm.
09:58
Fatigue of Metals
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2023
Source: Roberto Leon, Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA The importance of studying metal fatigue in civil infrastructure projects was brought into the spotlight by the collapse of the Silver Bridge in Point Pleasant, West Virginia in 1967. The eyebar-chain suspension bridge over the Ohio River collapsed during evening rush hour, killing 46 people as a result of the failure of a single eyebar with a small 0.1-inch defect. The defect reached a...
FAQs
Phase diagrams connect an alloy’s composition and cooling conditions with the phases that can form. By examining these relationships, chemists can anticipate when distinct phases appear and how their arrangements may influence melting behavior, strength, hardness, and ductility. This makes phase-diagram analysis useful for selecting compositions and controlling expected material properties.
Alloying atoms can replace atoms in the metal’s crystal lattice or occupy spaces between them. These different positions alter the lattice arrangement and contribute to changes in properties such as strength, hardness, and ductility. Determining how atoms are incorporated therefore helps explain why composition changes an alloy’s behavior rather than simply adding the properties of its elements.
Cooling can cause an alloy to develop distinct phases with different atomic arrangements. The resulting microstructure, meaning the material’s internal structural organization, affects measurable behavior such as hardness, strength, ductility, corrosion resistance, and melting characteristics. Consequently, understanding cooling-related phase formation is important when linking an alloy’s processing history to its final performance.
A chemistry-based analysis considers composition, bonding, phase diagrams, and microstructure together. Composition identifies the elements present, bonding and atomic arrangement help explain their interactions, and microstructure reveals the phases produced during cooling. Relating these observations to measured properties provides a structured way to interpret why an alloy behaves as it does.
Metal alloys support applications in construction, transportation, electronics, and biomedical devices. Their usefulness depends on selecting compositions and structures that provide appropriate combinations of strength, hardness, ductility, corrosion resistance, or melting behavior. Chemistry-based property analysis helps connect those requirements with suitable alloy families, including steels, aluminum alloys, and superalloys.
Chemistry guides alloy development by relating elemental composition and atomic structure to phases and microstructure. Researchers can then evaluate how those features influence mechanical properties, corrosion resistance, and melting behavior in different alloy families. This approach supports application-specific design, whether a material is intended for construction, transportation, electronics, or biomedical devices.