Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymerization polycondensation 1 figure 1. Mechanical properties of recycled plastic fibres for reinforcing concrete. For example, tensile properties of plastics such as plastic tensile strength and rigidity can be determined according to din en iso 527 by briefly applying load in one direction with a tensile test. More specifically, mechanical properties of forced deposition printed materials for robotics applications both in general 8,9 and for nuclear environments 10,11 has become an active area of study. Experimental characterization of the mechanical properties of. Introduction to materials science, chapter 6, mechanical properties of metals university of tennessee, dept. Bhowmick indian institute of technology, kharagpur, india keywords. 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 aim of this work is to study the properties of recycled polypropylene in particular through the analysis of degradation by the mechanical properties from virgin and recycled material. A number in parentheses indicates the year of last reapproval. Types of plastics pdf properties of thermosetting plastics. This document pdf may be used for research, teaching and private study.
Characterization and research on mechanical properties of. For that, in this article, i am exploring the necessary properties of polymers in a detailed manner. Pdf mechanical properties of recycled plastic fibres for. Sep 09, 2017 pdf this paper describe mechanical properties and design analysis of bamboo fiber reinforced biodegradable plastics. Aim of this research is to improve the tensile strength and youngs modulus of recycled pp fibres produced through a hot drawing process. Ultem physical properties metric english comments. Effect of ionising radiation on the mechanical and structural. Effect of temperature on the mechanical properties of polymer. Mechanical properties of metals mechanical properties refers to the behavior of material when external forces are applied stress and strain. At what point do dislocations cause permanent deformation. Experimental characterization of the mechanical properties of 3dprinted abs and polycarbonate parts jason cantrell1, sean rohde1, david damiani2, rishi gurnani3, luke disandro1, josh anton1, andie young1, alex jerez1, douglas steinbach1, calvin kroese1, and peter ifju1 1mechanical and aerospace engineering department, 571 gale lemerand dr. May 24, 2001 while mechanical properties in that direction may be very good, the properties at right angles to the flow direction may be very poor and will almost certainly be different. These mixtures were analysed as a function both of blend composition and of the number of reprocessing of the recycled fraction.
Polycarbonate physical properties metric english comments. Yielding or excessive plastic deformation failure of polymers in certain applications to carry design loads or occasional accidental overloads may be due to excessive plastic deformation resulting from the inadequate strength properties of the polymer. F ao f is load applied parallel to the upper and lower faces each of which has an area a0. Plastics technology handbook plastics properties and testing. The reader is cautioned, however, that gemini plastics inc and thermo fab plastics, inc. The plastic properties on pages 222223 are exclusively applicable for the specified standard test pieces. Physical and mechanical properties chemcast cast acrylic all values refer to 0. 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 gpa.
Plastics can contain a wide range of reinforcing materials and fillers additives. 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. Such properties can be investigated and compared between different products using standardised test methods. The energy needed to break a unit volume of material. Standard test method for tensile properties of plastics1. The focus of this study was to observe the mechanical properties of bamboo plastic composites bpcs with bamboo pulp fiber bpf. Mechanicalpropertiesof polymers harvard university. Click the down or up arrows triangles or column headings to sort plastic materials or material properties. Ultimate strength, elongation, and elastic modulus youngs modulus can be. This paper emphasizes the effects of processing parameters on the mechanical properties of products produced from recycled plastics in various compositions without the addition of stabilizers, compatibilizers, or additives. These value are typical and should not be taken as specifications. Mechanical properties of concrete using recycled plastic. Some mechanical and thermal properties of pcabs blends. The effects of uv radiation, moisture exposure, and weathering on mechanical properties were studied.
The large amount of plastic products presently produced necessitates recycling and reuse of these nonbiodegradable materials. Methods of recycling, properties and applications of recycled. Mechanical properties mechanical properties are useful to estimate how parts will behave when they are subjected to mechanical loads forces, moments etc. Standard test method for tensile properties of plastics1 this standard is issued under the. Packaging materials are shortlived and are usually discarded within one year, in contrast to plastics used in e.
Mechanical properties of plastic materials professional plastics. Curbell plastics supplier of high quality thermoplastic materials, technical assistance, custom plastic fabrication subject. Typical properties of polypropylene pp san diego plastics. Mechanical properties in design and manufacturing mechanical properties determine a materials behavior when subjected to mechanical stresses properties include elastic modulus, ductility, hardness, and various measures of strength dilemma. Astm d5702 mechanical properties hardness, rockwell m 112 112 astm d785 hardness, rockwell r 125 125 astm d785. Mechanical properties, dynamic mechanical properties, stress, strain, polymer, plastics, elastomers, rubber contents 1. The creep, tensile, and thermal behavior of tdegradationhe bags wereinvestigated.
Caused by the macromolecular structure and the temperaturedependent physical properties plastic materials are distinguished into different classes. Thermal properties of m30 normal concrete block nc were compared with concrete filled with waste poly ethylene terephthalate and waste low density polyethylene aggregates which were used as partial replacement of sand in the production of concrete. Experimental characterization of the mechanical properties. For such failure, the controlling material mechanical property is the elastic modulus.
Materials scientists learn about these mechanical properties by testing materials. Electrical properties of polymers, elastomers, composites and plastic films are very important to a wide range of industries such as automotive, aerospace, building products, marine, packaging and consumer. Mechanical properties of composites from sawdust and recycled. Mechanical properties of metals western university.
Manufacturing properties of engineering materials lecture notes prof. Each plastic material has its own peculiar properties to suit its particular uses. However, the production of recycled plastics with sufficient mechanical properties is still a major challenge due to their degradation during their service life and heat processing stage. Pdf mechanical properties of materials hamza adeeb. Properties of plastics or polymers play a vital role in the field of mechanical engineering. The fundamental mechanical material characteristics include.
Mechanicalpropertiesof polymers kamyardavoudi october,20 materialsscienceseminar. Easy descriptions of typical, physical, thermal, optical, electrical properties. However, the degradation in the mechanical properties of products made from recycled plastic is a major drawback that limits their use. Studies on mechanical properties of recycled polypropylene blended with virgin polypropylene mahendrasinh m. Perhapsthemostnatural test of amaterials mechanical properties is the tensiontest,in which astriporcylinderofthematerial,havinglengthlandcrosssectionalareaa,isanchoredatone end and subjected to an axial load p a load acting along the specimens long axis at the other. Variations may occur as far as cases and technical parts are concerned. Optimization of mechanical properties of recycled plastic. The success of plastic as an engineering material will depends up on the selection of variety of plastic. In recent years, mechanical testing of 3d printed materials, has become an increasing area of research as fff has grown in popularity. Investigation of mechanical properties of thermoplastics. View plastic materials found under a specific property group. Methods of recycling, properties and applications of. Pdf mechanical properties of polypropylene composites a.
Mechanical properties of thermoplastics an introduction. Mechanical properties tensile strength, maximum strain at failure and. It is important to understand these standard terms since they are used by sup. Properties of plastic materials combustibility test for plastics according to ul subject 94 the plastic materials are classified as follows. Physical and mechanical properties chemcast cast acrylic. Experimental characterization of the mechanical properties of 3dprinted abs and polycarbonate parts jason cantrell1, sean rohde1, david damiani2, rishi gurnani3, luke disandro1, josh anton1, andie young1, alex jerez1. Plastic properties tables wear resistance of plastics open or close the rating that appears in this table refers to the wear properties of the material in a bearing or bush application, and is normally tested using a pinondisc wear test. Like most other plastics, acrylite ff sheet will expand and contract from. Temperature, cost, mechanical properties, electrical insulation, fda, chemical resistance.
Properties and uses of plastics as a construction material. Mechanical properties hardness, rockwell m 75 75 astm d785 hardness, rockwell r 126 126 astm d785. Plastic material properties table mechanical, physical, thermal. The mechanical properties of polymers differs in several aspects from metals, and also highly between different types of. Some mechanical and thermal properties of pcabs blends rachida krache, ismahane debbah. Product designers and consumers alike acknowledge that todays advanced plastics, in tandem with proper design, add to product value and versatility. Mechanical properties of wood plastic composites wpcs manufactured from sawdust and virgin andor recycled plastics, namely high density polyethylene hdpe and polypropylene pp, were studied. Different types of plastics and their classification the society of the plastics industry spi established a classification system in 1988 to allow consumers and recyclers to identify different types of plastic.
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. Pdf mechanical properties of bamboo fiber reinforced plastics. Pdf the abundance of waste plastic is a major issue for the sustainability of the environment as plastic pollutes rivers, land, and oceans. In the last years, the problem of recycled plastics was attempted to be solved by several methods such as mechanical recycling or chemical recycling leading to products ready to be used in determined conditions, in the most economic, ecological and rational way 1623. In applications where plastic components are designed to withstand stress, the mechanical properties of polymers play a particularly important role. The largest plastics market is packaging and accounts for approx. The properties of six biodegradable commercial plastic bags, including biobag, flushdoggy, green genius, oxobiodegradable, rascodog, and world centric, were examined. Nonlinear elastic behavior in some materials many polymers, concrete. These properties range from high temperature performance to dimensional stability and excellent electrical insulation properties.
Use our interactive properties table below to explore by property group, sort, or compare two or more plastic materials. On the other hand, their mechanical properties decrease as the temperature rises because of their thermoplasticity. The various parts of iso 6721 specify methods for the determination of the dynamic mechanical properties of rigid plastics within the region of linear viscoelastic behaviour. Hence it is important to know the plastic flow properties of metals and alloys. This permanent deformation behavior occurs when the tensile or compressive uniaxial stress reaches. The growing number of thermo plastics with their combinations of physical and mechanical properties. 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. Plastic properties tables plastics technical properties. Plastic material properties table mechanical, physical. To minimize deformation, select a material with a large elastic modulus e or g. A number of pdf files with the ultrasonic and acoustic properties of solids, liquids, gases, plastics, rubbers, longitudinal piezoelectric and shear piezoelectric.
Of course, this can be viewed as an advantage such that by appropriate mould design, the alignment occurs in regions of high stress where it is needed. Typical reactions for chain assembling are polyaddition continuous or step wise and condensation polymer ization polycondensation 1 figure 1. The taguchi method is used to optimize the mechanical properties of products made from recycled plastic. A comprehensive guide on high heat plastic polyphenylene sulfide pps is a highperformance, engineering thermoplastic characterized by an unusual combination of properties. Mechanical properties of glass fiber reinforced polymers. Mechanical properties and degradation of commercial. When you want to apply any type of load on a particular member, you need to know its material properties, density, etc. Electrical properties of plastics and polymer materials tested to specific standards for industries such as aerospace and building products. Types of plastics pdfproperties of thermosetting plastics. For the colour you require, we can have the required natural material coloured. Properties of plastics mechanical and physical properties of plastics this section will acquaint the reader with the technical terms and concepts used to describe the properties or performance of a material. Since plastics therefore tend to continuously replacing metals in load carrying and critical components, the need for and also the demands on structural analysis of plastics have increased. Other mechanical properties often may be estimated from hardness data, such as tensile strengthfig 6.