Technology & Engineering
Specialist Materials
Specialist materials refer to substances with unique properties designed for specific applications in technology and engineering. These materials are often tailored to meet specific performance requirements, such as high strength, heat resistance, or electrical conductivity. Examples of specialist materials include carbon fiber composites, superalloys, and semiconductors, which are essential for advanced technological and engineering applications.
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3 Key excerpts on "Specialist Materials"
eBook - PDF- Lokesh Pandey(Author)
- 2023(Publication Date)
- Arcler Press(Publisher)
Engineering material is described as: “A topic that deals with the manufacture, qualities, and applications of materials utilized in applied engineering.” 5.1. INTRODUCTION Engineering materials range in weight from lightweight to heavyweight. Alloys for aircraft, Semiconductor chips for computers, Photovoltaic for energy storage, Semiconductor scanners, and so on. Material means engineering materials, limited to solid materials only. Science refers to the branch of applied science which deals with investigation of the relationship existing between the structure of materials and their properties. Materials differ from one another because of the difference in their properties for example, gold differs from iron because of its color, density, and corrosion resistance, among other things. Property differences occur owing to variations in material structure. All solid materials are made up of a huge number of molecules that are linked together to create the bulk substance. Each molecule is made up of microscopic particles known as atoms. The qualities and structure of a material are determined by the individual properties of atoms and their order in the molecule. A design engineer’s understanding of materials and their characteristics is critical. The machine elements should be built of a material that is suitable for the operating circumstances. A design engineer must also be knowledgeable about the impact of manufacturing techniques and heat treatment on the characteristics of materials (Figure 5.1). Engineering Materials and Their Applications 129 Figure 5.1. Image showing engineering material. Source: Image by archdaily.com. We will explore the most often used engineering materials and their qualities in this section. Metallurgy is the science and technique of economically extracting metals from their ores, purifying them, and preparing them for use. It investigates the microstructure of a metal, the structural details that may be observed under a microscope.
- Robert J. Naumann(Author)
- 2008(Publication Date)
- CRC Press(Publisher)
1 Introduction to Materials Science 1.1 What Is Materials Science? Materials science is a multidisciplinary science that has evolved from the combination of a number of specialized fi elds of the metallurgist, the ceramist, the solid-state physicist, the electronic engineer, the polymer chemist, and the biotechnologist in which the common threads that weave these diverse fi elds into a generalized fi eld of study have been recognized. Modern science has transformed what used to be largely an empirical art into a multidisciplinary exact science involving physics, chemistry, various fi elds of engin-eering, and, to some extent, even biology that allows us to begin to understand the behavior of materials and to manipulate matter at the most fundamental or atomic level. This capability allows materials scientists to understand a material ’ s properties in terms of its structure, to design material structures to achieve certain properties, and to develop processes to achieve the desired structures. The difference between engineering and science has become increasingly blurred as technology has become more complex. Clearly, today ’ s engineers must have a broad knowledge of science to understand the source of the knowledge they apply and today ’ s scientists must be aware of the practical applications of their scienti fi c quest for knowledge if they wish to guide their research in the most fruitful directions. Although there are still ‘‘ pure ’’ scientists who seek knowledge for knowledge ’ s sake and could care less if it has any application, in today ’ s competition for research funding, it pays to direct one ’ s interest to questions of practical nature. Materials science by its nature is an applied science. Many institutions combine the scienti fi c and engineering aspects and offer degrees in materials science and engineering.
Available until 4 Dec |Learn moreManufacturing Technology
Materials, Processes, and Equipment
- Helmi A. Youssef, Hassan A. El-Hofy, Mahmoud H. Ahmed(Authors)
- 2011(Publication Date)
- CRC Press(Publisher)
57 4 Engineering Materials and Their Applications 4.1 INTRODUCTION Materials.are.all.about.us . .They.have.been.so.intimately.related.to.the.emergence.and.ascent.of.man. that.they.have.given.names.to.the.Stone,.Bronze,.and.Iron.Ages.of.civilization . .Naturally.existing. and.man-made.materials.have.become.an.integral.part.of.our.lives . .The.development.of.materials. used.for.engineering.purposes.has.experienced.unprecedented.growth.over.the.past.few.decades,. and.engineering.materials.have.truly.become.an.essential.part.of.modern.science.and.technology . . This.integral.relationship.is.evident.in.every.product.and.every.industry.that.one.can.think.of . A.wide.spectrum.of.engineering.materials.is.available.today . .A.proper.selection.has.to.be.made. to. suit. the. desired. application . .Metals.are.specified.when.strength,.toughness.and.durability.are. the.primary.requirements . .Ceramics.are.generally.limited.to.low-value.applications.where.heat.or. chemical.resistance.is.required,.and.when.acting.loads.are.compressive . .Glass.is.used.for.its.optical. transparency,.plastics.are.appointed.to.applications.where.low.cost.and.light.weight.are.attractive. features,.and.semiconductors.are.used.in.integrated.circuits.necessary.for.computer.industries . .By. careful.selection.of.engineering.materials,.it.is.possible.to.achieve.an.optimum.blend.of.properties. by.using.a.variety.of.metals,.organic.materials,.ceramics,.and.so.on . For. that. reason,. the. designer. sometimes. should. consult. materials. specialists. when. selecting. materials.that.will.be.used.to.convert.the.design.into.reality . .Without.this.knowledge,.a.material.is. simply.a. black box .and.the.designer.will.have.no.conception.of.materials.limitations.or.of.possible. modifications.in.materials.selection.and.design . The.selection.of.a.material.for.a.particular.application.involves.consideration.of.some.factors.like.
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