Materials informatics is an interdisciplinary field that combines materials science, data science, and computational methods to accelerate the discovery, development, and optimization of materials. It utilizes techniques from machine learning, data mining, and statistical analysis to analyze large datasets related to materials properties, structures, and performance. Key aspects of materials informatics include: 1. **Data Collection and Management**: Gathering and organizing extensive datasets from experiments, simulations, and existing literature.
A Maxwell material is a type of viscoelastic material that exhibits both viscous and elastic behavior when subjected to deformation. It is named after the physicist James Clerk Maxwell, who developed a model to describe the complex behavior of materials that do not deform purely elastically (like rubber) or purely viscously (like honey).
Mechanically stimulated gas emission (MSGE) refers to the release of gases from materials or substances when they are subjected to mechanical forces, such as compression, tension, or shear. This phenomenon is often observed in various geological and environmental contexts, particularly in relation to the study of gas emissions from sediments, soils, or rock formations. In geological studies,MSGEs can be significant in understanding the behavior of gases, such as methane or carbon dioxide, that may be trapped within sediments or rocks.
Mesocrystals are a class of materials that are characterized by the ordered arrangement of nanoscale building blocks, typically formed by the self-assembly of nanoparticles. Unlike traditional crystals, which have a periodic arrangement of atoms or molecules throughout their entire structure, mesocrystals exhibit a hierarchical organization. This means that they consist of smaller crystallites or nanoparticles that are themselves ordered, but the overall arrangement can exhibit different properties compared to a single crystalline solid.
The Mohs scale is a scale of mineral hardness that was devised by Friedrich Mohs in 1812. It categorizes minerals based on their ability to scratch one another, with each mineral assigned a value from 1 to 10. The scale is ordinal, meaning that the numbers indicate a relative hardness but do not convey precise differences in hardness.
The Portevin–Le Chatelier (PLC) effect is a phenomenon observed in certain metallic alloys, particularly those that exhibit plastic deformation under applied stress. It is characterized by the occurrence of unstable plastic flow, leading to localized regions of deformation that can produce visible serrations or jerky flow in the stress-strain curve during tensile testing. The PLC effect is typically seen at specific temperature and strain rate conditions, often occurring in solid-solution-strengthened alloys.
NASLA typically refers to the National Association of State and Local Law Enforcement Agencies. This organization focuses on providing support, resources, and advocacy for law enforcement agencies across the United States. It works to enhance the effectiveness of law enforcement through training, research, and community engagement initiatives.
Transport, or transportation, refers to the movement of people, goods, and animals from one location to another. This process encompasses various modes and systems, including but not limited to: 1. **Modes of Transport**: - **Land Transport**: This includes vehicles traveling on roads and tracks, such as cars, buses, trucks, trains, bicycles, and motorcycles.
Particle aggregation refers to the process in which individual particles cluster together to form larger, often more complex structures. This phenomenon can occur in various contexts, including chemistry, physics, biology, and materials science, and can involve both solid and colloidal particles. ### Key Aspects of Particle Aggregation: 1. **Mechanism**: - Aggregation can occur through various mechanisms, including van der Waals forces, electrostatic attraction, hydrogen bonding, and hydrophobic interactions.
Physical metallurgy is a branch of metallurgy that focuses on understanding the physical and mechanical properties of metal materials and how these properties are influenced by their microstructure, composition, and processing methods. It combines principles from physics, materials science, and engineering to analyze how metals and alloys behave under various conditions. Key aspects of physical metallurgy include: 1. **Microstructure Analysis**: Examines the arrangement of atoms and phases within a metal or alloy.
A **pole figure** is a graphical representation used in materials science and crystallography to describe the preferred orientation of crystallites in a polycrystalline material. It provides a way of visualizing the anisotropy of the material by displaying how the orientations of crystallites are distributed in three-dimensional space, usually projected onto a two-dimensional plane. ### Key Concepts: 1. **Crystallographic Orientation**: In a polycrystalline material, individual grains can have different crystallographic orientations.
Plasma-facing materials (PFMs) are materials specifically designed to withstand the extreme conditions encountered in environments where they are exposed to plasma, such as in fusion reactors or plasma processing systems. These conditions include high temperatures, high particle fluxes, intense radiation, and chemical erosion due to reactive species in the plasma.
Retrogression heat treatment is a specialized thermal processing technique primarily used on certain aluminum alloys, especially those in the 2xxx and 7xxx series, which are heat-treatable alloys. The goal of retrogression is to enhance the mechanical properties of the aluminum, such as strength and toughness, by modifying the microstructure. ### Process Overview 1.
The Baskakov operator is a type of linear positive operator associated with the approximation of functions. It is named after the mathematician O. M. Baskakov, who introduced it as a means of approximating continuous functions on the interval \([0, 1]\). The Baskakov operator can be defined for a function \( f \) that is defined on the interval \([0, 1]\).
Schmid's Law, named after the German engineer Erich Schmid, is a fundamental principle in the field of materials science and solid mechanics that describes the relationship between the applied stress and the resulting slip in crystalline materials during plastic deformation. It is particularly relevant to the study of single crystal materials. According to Schmid's Law, the critical shear stress required to initiate slip (plastic deformation) in a crystal is directly related to the applied normal stress.
Shrink-fitting is a manufacturing process used to fit one component into another by utilizing thermal expansion and contraction properties of materials. The basic principle involves heating one component (usually the inner component) and cooling the other (typically the outer component) so that they can be fitted together easily. Here's how it typically works: 1. **Heating the Inner Component**: The inner component is heated so that it expands. This can be done using methods such as placing it in an oven or using induction heating.
Thermomechanical analysis (TMA) is a technique used to study the mechanical properties of materials as they change with temperature. It involves applying a controlled temperature program to a sample while simultaneously measuring its mechanical response, such as dimensional changes, stiffness, or viscoelastic properties. This analysis helps in understanding how materials behave under thermal conditions, which is particularly important for polymers, metals, ceramics, and composites.
Thermoplastic olefin (TPO) is a type of polymer blend made primarily from a combination of polypropylene (PP) and ethylene-propylene rubber (EPR or EPDM). TPO is characterized by its rubber-like properties, which provide flexibility, impact resistance, and durability, while also possessing the processability of thermoplastics.
Vegard's law is a principle in solid-state physics that describes the relationship between the composition of a solid solution and its lattice parameters. Specifically, it states that the lattice constant (or parameter) of a solid solution is a linear function of the composition of its constituents. In simpler terms, when two or more different materials are mixed to form an alloy or a solid solution, the resulting lattice structure will have a lattice parameter that can be predicted based on the proportions of the constituent materials.
Strength of materials, also known as mechanics of materials, is a branch of engineering and materials science that studies the behavior of solid objects subject to stresses and strains. It focuses on how different materials deform (strain) under various types of loading conditions (such as tension, compression, shear, and torsion) and how they fail.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





