This knowledge should help them recognise what needs to be considered when a material is chosen for a particular use. Select two or more materials and then press compare materials. Thermosetting plastics thermo sets are polymer materials that cure, through the addition of energy, to. Plastics technology handbook plastics properties and testing. Physical and mechanical properties of materials melting temperature 9 density 10 youngs modulus 11 yield stress and tensile strength 12. Plastics can contain a wide range of reinforcing materials and fillers additives.
Easy descriptions of typical, physical, thermal, optical, electrical properties. Investigation table related to maintaining a sustainable environment what materials can be reused, reduced and recycled. Download properties of plastic materials farnell element14 book pdf free download link or read online here in pdf. Dislocations and plastic flow 5 fast fracture 6 statistics of fracture 6 fatigue 7 creep 7 diffusion 8 heat flow 8 ii.
Teaching this topic will also introduce a lot of useful vocabulary items that theyll use to describe materials and their properties at ks1, such as transparent and opaque. Dec 12, 2018 a gorgeous bundle of activities to support the teaching of plastic as part of of the materials and their properties science topic. Mechanical properties of plastic materials material formula abrasive resistance astm d1044 mg cycles coefficient of friction compression set after 24 hr at 175c % compressive modulus gpa compressive strength mpa elongation at break % hardness rockwell izod impact strengt h j m1 poissons ratio tear strength n mm1 tensile modulus. The success of plastic as an engineering material will depends up on the selection of variety of plastic. Introduction to materials science, chapter 6, mechanical properties of metals university of tennessee, dept. The plastic properties on pages 222223 are exclusively applicable for the specified standard test pieces.
Yielding elastic plastic stress strain yield strength. A plastic with good processability possesses the properties necessary to make it easy to process the plastics into desired shapes. The seventh edition of this classic reference work once more provides a comprehensive overview of commercially available plastics materials. Methods of recycling, properties and applications of recycled. Read online properties of plastic materials farnell element14 book pdf free download link book now. Teach your prep and kindergarten students about the chemistry strand of materials and their properties with this science unit. The set of rheological, mechanical and structural properties of the plastic packaging. Properties are the observed characteristics of a sample. Properties and uses of plastics as a construction material. Properties of plastic materials combustibility test for plastics according to ul subject 94 the plastic materials are classified as follows. Manufacturers place an spi code, or number, on each plastic product, usually moulded into the bottom. Investigation table related to maintaining a sustainable environment what. View plastic materials found under a specific property group.
Each plastic material has its own peculiar properties to suit its particular uses. Plastic material properties table mechanical, physical, thermal. The properties covered here are especially those properties, which are important in manufacturing processes. Manufacturing properties of engineering materials lecture notes. Bridging the gap between theory and practice, it enables scientists to understand the commercial implications of their work as well as providing technologists with a theoretical background. Compare and group everyday materials on the basis of their properties, including their hardness, solubility, transparency, conductivity electrical and thermal and response to magnets. These naturally colored opaque vessels come with their own plastic caps, and theyre perfect for shipping, stocking shelves or storing liquids and powders for future use. The simplest definition of a polymer is a useful chemical made of many repeating units. Physical properties some physical properties describe how an object responds to mechanical forces. Mechanical properties of plastics professional plastics. Mechanical properties and performance of materials samples of engineering materials are subjected to a wide variety of mechanical tests to measure their strength, elastic constants, and other material properties as well as their performance under a variety of actual use conditions and environments. For chemically resistant plastic, view our chemical resistance of plastics chart. If the option of early adoption of plastic materials of construction a661. Elastic deformation e is youngs modulusor modulus of elasticity, has the same units as.
Helping ks1 children to understand materials and their properties will give them a better understanding of everyday objects and the world around them. Give reasons, based on evidence from comparative and fair tests, for the particular uses of everyday materials, including metals, wood and plastic. Types and properties pdf by mohammed shafi october 22, 2018 may 7, 2020 in this article, i will be explaining the different types of plastics used in our household applications as well as industrial applications in the form of thermoplastics and thermosetting plastics with there properties. Click the down or up arrows triangles or column headings to sort plastic materials or material properties. Plastic material properties table mechanical, physical. Cellulose, for example, is a polymer, but it cannot be processed like a plastic material unless it is modified. Thermal properties of plastic materials professional plastics. Properties combined with excellent appearance, including the possibility of self coloring. Students will also get a better understanding of the origins. Investigation table for exploring materials and their properties exploring materials and their properties foundation science unit prep kindergarten year 1 unit of work. Materials and their properties science plastic teaching. Methods of recycling, properties and applications of.
The properties of materials resource rsc education. Elastic properties of materials most materials will get narrow when stretched and thicken when compressed this behaviour is qualified by poissons ratio, which is defined as the ratio of lateral and axial strain z y z poisson s ratio x. Plastic is a general term used for an extensive range of synthetic and natural compounds, each offering specific mechanical properties suitable for various applications and industries. Here youll learn the definition and properties of polymers, another name for plastics. If youre after basic information on plastic materials, this is the place to find it. Ks1 materials and their properties worksheet science topic. Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymerization polycondensation 1 figure 1. A gorgeous bundle of activities to support the teaching of plastic as part of of the materials and their properties science topic. The main characteristics or the properties which determine a plastics processability are molecular weight, uniformity, additive type, content and plastic feed rates. The engineering materials are often primarily selected based on their mechanical, physical, chemical and manufacturing properties.
Included is an informative, child friendly powerpoint presentation, a cut and stick activity and a wordmat. The aim of this article is to give an overview about the plastic materials. Materials scientists learn about these mechanical properties by testing materials. This document pdf may be used for research, teaching and private study purposes. Mechanical engineers calculate those forces and material scientists how materials deform elongate, compress, twist or break as a function of applied load, time, temperature, and other conditions. Although the information and statements herein are believed to be accurate, no guarantee of their accuracy is made.
Engineering materials and their properties in this chapter materials are classified and the most important properties of the engineering materials are listed with short explanations. This worksheet looks at the characteristics of materials and asks children to distinguish between the names of materials and their properties. Often materials are subject to forces loads when they are used. Thermal properties of plastic materials material formula coefficient of thermal expansion x106 k1 heatdeflection temperature 0. Explore the different materials that familiar objects are made of through handson explorations and complimentary printables.
Variations may occur as far as cases and technical parts are concerned. The combination of these materials and the manufacturing process can have a. Papier mache, which because of its mouldable properties can be considered a. Also, you may want to use our plastic material selection guide or interactive thermoplastics triangle to assist with the material selection process based on your application requirements. The finnish module unit 1 classification activities, learning basics of plastics, metals and paper unit 2 poeactivities unit 3. Chapter 1, basic understanding of gears, discusses the various types of gears used, important gear nomenclature, and applied stresses and strength requirements associated with gears. Properties of plastic materials farnell element14 pdf. As an example of bagging solutions, our heavyduty 4 mil resealable bubble bags envelop your products with bubbles made of 4 mmthick polyethylene to protect them from. Use our interactive properties table below to explore by property group, sort, or compare two or more plastic materials. A polymer can be a three dimensional network think of the repeating units. For chemically resistant plastic, view our chemical resistance of. All books are in clear copy here, and all files are secure so dont worry about it. The society of the plastics industry spi established a classification system in 1988 to.
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