The phenomenon of elastic strain and plastic deformation in a material are called elasticity and plasticity, respectively. Your email address will not be published. Harder materials have the advantage that they can withstand far higher forces before they deform. What are uses of a viscoelastic material? Its elasticity comes from the elastine compound inside its construction. Answer: Option C . The stretch reach of the elastic fabric can go in two ways. Elastic is made from rubber and latex that have other flexible materials wrapped around it. Modulus of elasticity is also a measure of material's stiffness or resistance to elastic deformation. This preview shows page 6 - 9 out of 19 pages. You really do not want to dry clean rubber clothes either. Which of the following materials is most elastic (a) rubber (b) plastic (c) brass (d) steel (e) glass. 3 Recommendations. Elastic fabric 3: Spandex - this elastic material can expand to 300 to 400 percent of its original size. In crystalline materials, elastic strain is small, usually less than ½%. Plastic. Thanks, How to download pdf file Dear, The human genome forms DNA molecules with a total length of about one meter. Ans: d 25. Elastic fabric 3: Spandex- this elastic material can expand to 300 to 400 percent of its original size. Steel is the ultimate answer, if still curious how then youtube it, you’ll find practical experiments. The former works well with maternity clothes and the latter for expanding waistlines. I need to make a ball which needs to bounce rather a lot. Admin can you describe how steel is elastic, in my view it is most hard among the above mentioned elements, rubber is the most elastic substance because of cross linking between polymer chains. For most typical metals the magnitude of this modulus ranges between 45 gigapascals, for magnesium, and 407 gigapascals, for tungsten. Which of the following materials is most elastic (a) rubber (b) plastic (c) brass (d) steel (e) glass. Materials testing, measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions.The data thus obtained can be used in specifying the suitability of materials for various applications—e.g., building or aircraft construction, machinery, or packaging.A full- or small-scale model of a proposed machine or structure may be tested. The elastic limit depends markedly on the type of solid considered; for example, a steel bar or wire can be extended elastically only about 1 percent of its original length, while for strips of certain rubberlike materials, elastic extensions of up to 1,000 percent can be achieved. Polyester Elastic. View Answer. C. Steel. Elastic material implies that the material elongates on application of force and it comes back to its original state on removal of force, like rubber. strong / weak. Relevance. Rubber. Answer: Option C . Viscoelastic materials are used for isolating vibration, dampening noise, and absorbing shock. Related Questions on Materials and Construction. Question is ⇒ Which of the following materials is most elastic, Options are ⇒ (A) rubber, (B) plastic, (C) brass, (D) steel, (E) glass., Leave your comments or Download question paper. Lv 5. 1 $\begingroup$ Quartz can be crystalline, or amorphous. very comfortable as cotton, poplin and spandex blend does for a variety of shirts. It is the maximum stress a body can experience without being permanently deformed. C. Glass Depending on the style of this nylon elastic you want, the stretching capabilities range from 85% to 120%. This fabric is then combine with other flexible ones to make the clothing item stretch. Then the Mayans used to mix the juice from different vines to create an early form of elastic band that bound different items together. You can find this fabric in several varieties. In other terms, it relates the stresses and the strains in the material. The American Indian used rubber long before Columbus appeared. Shop with confidence on eBay! . As it heats stretch it out, then let the elastic cool. Join The Discussion. On top of that elastic fabrics or yarns can help create some wonderful jewelry pieces for those people who like innovation and creativity. The braided nylon elastic is very good at resisting fires and is used in a variety of automotive areas. This style is heat resistant and has a lot of stretch to it. It is the most versatile and the least expensive. Shop from the world's largest selection and best deals for elastic material. The cost is why you have to be careful about how you use it. I would say this: if you know the stress-strain curve for your material you can easily judge … The waterproof or resistant attributes of rubber and latex is also a popular characteristic that makes it an essential part of some clothing. It should feel good against your body when you have it on. Question is ⇒ Which of the following materials is most elastic, Options are ⇒ (A) rubber, (B) plastic, (C) brass, (D) steel, (E) glass., Leave your comments or Download question paper. That makes it a very healthy material to use as often as possible. This assumption is the basis of the following treatment. D. Rubber. The elastic can come in a variety of forms from spandex, to latex to neoprene but all those forms add up to very comfortable clothing. Hooke’s law states that: Two of the main sources for elastic are rubber and latex. It may be the strongest of all elastic type blends. Related Questions on Materials and Construction. rubber is the most elastic substance because of cross linking between polymer chains Glass. During his experiments he found that he was wasting too much rubber so he invented a machine called the masticator to conserve the rubber material. Quartz is a hard brittle material in solid form. The former only needs about 3 to 5% spandex to be stretchy and comfortable. D. Sponge After cleaning it drapes well and does not lose its ability to absorb moisture. Elastic fabric 1: Neoprene - this is a synthetic rubber compound that is used in scuba diving wet suits and a host of fashion items. Plastic B. This is especially important for load-bearing constructions. Plus, you can machine wash, hand wash or send it to the dry cleaners. The way to weaken elastic is to stretch it far beyond its stretching ability. 3.8 x 106 kg/cm2. The SI unit applied to elasticity is the pascal (Pa), which is used to measure the modulus of deformation and elastic limit. Elastic material implies that the material elongates on application of force and it comes back to its original state on removal of force, like rubber. Is steel the most elastic of all the given materials? The one fabric we did not go into any specifics was the spandex blends. Ans: b 26. This stretching ability makes it a popular fabric to use in making clothes. The waterproof or resistant attributes of rubber and latex is also a popular characteristic that makes it an essential part of some clothing items. Although that story is not fully known its use has gone back thousands of years and has enjoyed a long life span. Elastic is made from rubber and latex that have other flexible materials wrapped around it. elastic material the number of independent stiffnesses is two. Braided elastic has a long lifespan normally. There is pajama, underwear and lingerie style which is soft because it comes in direct contact with the skin. Cite. Favourite answer. This can be either lengthwise or crosswise. E. None of these. 1 decade ago. In 1923, William Spencer was the first to mass-produce rubber bands. But with the elastic additive, your clothing items can have a little bounce to them and return to their original shape. Among materials with identical elastic limits, the most elastic is the one with the lowest elastic modulus. Flexible 80A Resin is the most stiff soft-touch material in our library of Flexible and Elastic Resins, with an 80A Shore durometer to simulate the flexibility of rubber or TPU. It is most obvious for the homogenized material (Model I) demonstrating … Use the tags below to quickly sort the materials based on their characteristics, or view our extensive Filament Properties Table for a detailed side-by-side comparison. Those materials are weaved together where the elastic characteristic does the most good and is not impeded in its purpose. But the good news is that melting point isn’t reach till the temperature hits 450 degrees F. melting may not be a concern but long exposure to the sun will have this fabric weakening and losing its strength. Hemline H630.25 White Polyester Very Resilient Non-roll Woven Elastic 25mm X 1m £2.99 New Hemline Elastic Flat Woven General Non Roll Ribbed Black White All Sizes & Types A. Hooke attempted to write a simple rule that describes the behaviour of all materials subjected to a tensile force. The most popular yarn is spandex , then there is a rubber core yarn, and there are specially made stretchy yarns made of polyester, nylon and natural fibers. Once the material goes beyond that point of no return it is too weak to be of any elastic good. Substances that display a high degree of elasticity are termed "elastic." NB: If the stress exceeds the ultimate strength, the material break. Most materials are elastic for a certain range of forces, up to the elastic limit, beyond which they are plastic. Do not accurately describe the observed material behaviour great elastic fabric 3 spandex! Stretched to function like it could when it is so strong, it 's regain original position after of... 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