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INTRODUCTION One of way to find out a mechanical properties of materials is using the tensile test. PDF Instructor: Dr. Nilesh Prakash Gurao PDF Tensile Testing of Plastics - WordPress.com . 1. Otherwise one will not be able to draw right conclusions. You do not need to estimate the tensile strength of the polymer you test. This test is a destructive method, in which a specimen of a standard shape and dimensions ( prepared according to ASTM D 638: standard test method for tensile properties of plastics . The format for your lab report should be a formal report worth 100 points written by your group. The data produced in a tensile test can be used in many ways including: To determine batch quality. Five polymer blends were manufactured from a base AC-5 asphalt cement. Creep testing of materials (Lab-1) 5. The topic of this lab is confined to the tensile property of polymers. their resistance to deformation being dependent on both the temperature and time during which a force is applied. 6 The low-strain region of the stress-strain curve for a ductile material tic contribution and e e is the elastic contribution (and still related to the stress by Eq 3). For instance, certain polymers will have reduced tensile strengths when tested in a solvent or chemical bath or under repeated lower load cycles. The tensile test results showed that steel was the strongest material. • There will be one report per group. We offer comprehensive root cause and full failure analysis investigations, as well as a range of metallurgical, polymer, and mechanical testing, MPI, and calibration services. Introduction/Theory Tensile testing is one of the most simple and widely used materiel tests available. The XPA DR2 uses two of Emotiva's amplifier m. As you continue to pull on the material until it breaks, you obtain a complete tensile profile with a Stress Strain Curve showing how it reacted to the forces being applied. At ATRONA Test Labs, we would welcome the opportunity to work with you on your next important project. ASTM D3039 tensile testing is used to measure the force required to break a polymer composite specimen and the extent to which the specimen stretches or elongates to that breaking point. This visual representation helps to guide the determination of material properties for design. O.F.F. Concrete quality control is an essential practice to ensure consistency in both the fresh and hardened concrete. In this virtual experiment we will examine the tensile behavior of three different composite fiber materials. This experiment was conducted so as compare the mechanical properties of aluminium and mild steel. Tensile testing lab report (Lab Report Sample) Instructions: . Download to read offline. 75,582 views. convenient sample geometry for the tensile test is the "dogbone" geometry (Figure 1). My professor was impressed by my essay on literature. This test is a destructive method, in which a specimen of a standard shape and dimensions (prepared according to ASTM D 638tandard test method for tensile properties of : s Tensile Test Lab Report. One can get several material parameters […] Engineering. Download. 7 In general, three stages of plastic deformation were suggested in tensile tests of semicrystalline polymers 8 : (1) pre-neck deformation of micro-spherulitic structure that proceeds in the whole . Chapter 4. Make sure to stop the test for the 50° Celsius specimens once the flow stress is reached or once necking occurs. Each lab team has been assigned to test specific particulate weight concentration embedded into Sylgard 184 PDMS. 2: Tensile Testing of Steel See web for typical report format including: TITLE PAGE, ABSTRACT, TABLE OF CONTENTS, LIST OF TABLE, LIST OF FIGURES 1.0 - INTRODUCTION See General Lab Report Format in Appendix A 2.0 - DATA ANALYSIS The purpose is to calculate mechanical properties of steel, namely Modulus of Elasticity, In the material testing laboratory, Tensile test was done on a mild steel specimen as figure 4 to identify the young's modulus, ultimate tensile strength, yield strength and percentage elongation. Tensile testing. Lab report engr 2332 mechanics of materials lab no. Universal testing machine (UTM) is used to extrude the polymer and joint strength of extruded samples are characterised by using numbers of destructive testing such as tensile, compression . In Lab 4b, an Instron 5967 Universal Testing Machine (UTS) with a 30 kN load cell was used . Stolk Lab's offers a variety of mechanical testing services, performed by our team of experts. Figure 6.1 shows a tensile testing machine, which looks similar to the one used in this lab. 1 Experiment 15: Exploring the World of Polymers Objective: In this experiment, you will explore a class of chemical compounds known as polymers.You will synthesize and modify polymers, test their properties and use a fabrication technique to produce an object from a polymer. tensile test and analysis of mechanical properties of metal austin ciervo february 22, 2018 objective the Download Now. The Universal Testing Machine can be used to determine the tensile strengths of many . Test Method: ASTM D2584, D5630, ISO 3451. The primary use of the testing machine is to create the stress-strain diagram. EXPERIMENT 1 Tensile Test 1. Tensile testing results Testing Laboratory MSE Undergraduate Lab Room 6 Materials used Polystyrene (PS) High-density Polyethylene (HDPE) Aluminium Alloy (Al) Specimen Geometry Dumbell shape Test Temperature (°C) 22 Loading rate (mm/min) 2 Nominal dimensions (mm): width, thickness, gauge length PS: 12.01, 1.99, 60 HDPE: 12.04, 3.00, 60 Al: 12.05, 2.03, 60 Mat./ The basics on the operation of universal testing machine were also learnt during this experiment. Among the most common properties reported for fiber-reinforced polymers are those obtained from tensile testing of a unidirectional (UD) composite in the fiber direction. Miner's Law Problem - see Lab Requirements Lab Requirements Strain aging and yield Point Phenomenon (Lab-1) Abstract—This report presents and analyzes data collected in Lab 4a and Lab 4b. The topic of this lab is confined to the tensile property of polymers. Rochester Institute of Technology Page 14 of 19 MCET 211 Group 2 Tuesday 11 AM Section: 01 Tensile Testing. Bitumen is a complex material with a complex response to stress. The current AM efforts at NIST towards polymers are supported through the Material Measurement Laboratory (MML) AM program. Doing correct calculations is important in this lab course. ΔStrain 0.0303−0.0050 f6.0 DISCUSSION 1. Bitumen Tests. 11/04/2013 2 2104 Words9 Pages. The tensile test that measures these properties is, on the . Tensile Tests—Composites. This can be done using a tensile test machine. PMMA will be tested at a combination of different deformation rates and temperatures: 0.1 in/min and 1 in/min at Room Temperature and 50° Celsius. The test methods may be used for quality control, product acceptance, or research and development. Tensile test was performed by using Shimadzu AG-X universal testing machine at room temperature at a cross-head speed of 20mm/min. TENSILE TEST REPORT. Tensile testing provides data on the integrity and safety of materials, components and products, helping manufacturers ensure that their finished products are fit-for-purpose and manufactured to the highest quality. Discuss the mechanical properties obtained from the tensile test for each sample. Three standard grades of asphalt cement, the base AC-5, an AC-10, and an AC-20, were used for control. CE 265 Lab No. Tensile Test Report. O.F.F. Material Tensile Strength (MPa) Yield Stress YP (MPa) Ductility %EL HDPE 25.6061 21.4127 640% PVC1 50.3081 1.4514 150% PVC2 50.7984 ‐ 63% Discussion and Conclusion: In this experiment we learned about the tensile testing of Polymers. You are on page 1 of 12. This lab report was constructed from the results of testing the tensile strength of various polymers. To complete the study on the effects of aging time on property retention, 4, 16 and 80-day aging tests at 65°C for the cross-ply laminate will be performed. For ME Lab I, you will usually report your values as (mean 1 Experiment 15: Exploring the World of Polymers Objective: In this experiment, you will explore a class of chemical compounds known as polymers.You will synthesize and modify polymers, test their properties and use a fabrication technique to produce an object from a polymer. Nice prices, excellence of writing and on-time delivery. The Tensile Testing lab at IMR performs axial, wedge, stress, shear, elongation, and compression testing methods to ASTM standards. Principles of hardness testing comparison of different hardness techniques (Lab-2) 3. Yield strength - The stress applied to a material that just causes permanent plastic deformation. Tensile testing helps to determine basic load bearing capabilities of materials under tension. A polymer's tensile "static" properties at room temperature under dry conditions are typically higher compared to tensile test results performed under elevated temperatures and "dynamic" testing. Name of student: Lecturer: Abstract This experiment was conducted so as compare the mechanical properties of aluminium and mild steel. the curve is explained using a tensile test.Stress and strain . Fatigue Test: The lab TA will conduct a constant amplitude, tension-tension fatigue test on a dogbone sample up to fracture. In the past, the grocery chain Old Fashioned Foods has provided only paper grocery sacks. Tensile Test Lab Report(3) TensileLabME843 Lr. The most popular methods are Brinell, Vickers and Rockwell hardness tests for metals and alloys. if you simply need a test performed or if you are looking to partner with a professional staff to help you solve a problem, investigate an issue, help develop a product or a monitor a supplier. . Now, I feel confident because I know that my academic level can be Tensile Test Lab Reports improved significantly. Tensile test purpose. is now planning to offer its customers the option of having their groceries packed in plastic bags. DETERMINE THE TENSILE PROPERTIES OF RAW MATERIALS, COMPONENTS AND ASSEMBLIES. These tests were done to determine the material properties, such as modulus of elasticity and the ultimate strength. TENSILE TESTING LAB SERVICES Tensile Strength Testing for Metals, Polymers, Coatings, and Fiber-Reinforced Composites. The topic of this lab is confined to the tensile property of polymers. Jump to Page . The one in the lab was an MTS 647 Hydraulic Wedge Grip and an 810 Material Test System. 4.1. tensile test. Figure 1 shows a tensile testing machine similar to the one used in this lab. The results were as table 1. 2 : Typical yield point behavior f) Yield Stress: When the metallic material exhibits a yield phenomenon, a point is reached during the test at which plastic deformation occurs without any increase in It is tempting to define an elastic limit as the stress at which plastic deformation first occurs Introduction to Tensile Testing / 5 Fig. Four different specimens will be tested: low-density polyethylene (LDP), high-density polyethylene (HDP), polyvinyl chloride (PVC), polycarbonates (Lexan) and natural polyisoprene (Rubber). interest, an enhanced tensile testing laboratory project was developed that accounts for specimen condition and variability. Typical examples where these properties are used are design of guy cables that support bridge structure, wind turbines, aircraft wings and fuselage structures, etc. In this test geometry, one end of σ = F A (1) i i o i = l (l ) ε ∆ (2) σ = Eε (3) NOTE: In this paper the author is reporting values as (mean value) +/- (standard deviation ) of the data. In this lab, plastic tensile testing was performed to determine the material properties of high density polyethylene (HDPE) DMDA 8904 NT7, low density polyethylene (LDPE) NA960000, and Entec Hyrene® PS-HI 8/2 High Impact Polystyrene (HIPS). The report should contain 4 Figures (graphs) that contain an overlay of engineering and true stress-strain . Introduction/Theory Tensile testing is one of the most simple and widely used materiel tests available. Its ultimate tensile strength was 385MPa, young's modulus of 96000 MPa and yield stress of 340 MPa. Unlike the sandwich beam test discussed in Section 7.2.6.4.3 as a compression test of the face sheet material, a true flexural test of a sandwich beam is intended to test all components of the beam, viz., the axial tensile and compressive strengths of the face sheets, the shear strength of the core material, and the strength of the adhesive . Determination of the tensile properties of different class of materials (Lab-1) 2. The lengths L 0, Ash content: This test helps in determining the amount of fillers in a specimen after the polymer has been burned off and suitable for the determination of the ash content of rubber compounding materials. Tensile Test Lab Reports essay writing company. NSL's breadth of physical property testing capabilities includes mechanical and thermal analysis. Our polymer test lab is well equipped to handle all your testing needs. OBJECTVE 1.1 To emphasis the use of tensile using Instron machine to the polymer materials 1.2 To find the differences in mechanical properties on HDPE, LDPE, PP, and PS 2. Four specimens with a specific particulate wt% each for tensile, compression, compact tension and low velocity Charpy impact testing will be distributed to each team. We are ISO/IEC 17025:2005 accredited through PJLA in the following mechanical testing services: Rockwell hardness of plastics and metallic materials. Write Up Prepare a memo report on the results of the tests. Lab report engineering materials lab - tensile test 1. A separate measurement can be performed to obtain this data but published tensile/yield In the past, the grocery chain Old Fashioned Foods has provided only paper grocery sacks. We're failure analysis and metallurgical testing experts. It began to yield as the graph reaches non-linearity. Results Figure 6.1 shows a tensile testing machine, which looks similar to the one used in this lab. Tensile Testing of Polymers and Composites Materials Tensile testing of plastics, composites and constituents using ASTM, ISO and other test methods are expertly performed to produce essential data Intertek provides a wide range of tensile test methods to fit your product and materials applications. Tensile Test Lab Report Name of student: Lecturer: Abstract. Lab Report : Tensile Testing of Polymers To better understand the properties of polymers, tensile testing will be carried out in the laboratory. You have been hired as an outside consultant to test polymer films from samples The polycarbonate specimen obeys Hooke's law in the elastic region as the gradient of the slope remains constant. Your professionals encouraged me to continue my . Universal testing machine (UTM) is used to extrude the polymer and joint strength of extruded samples are characterised by using numbers of destructive testing such as tensile, compression . Search inside document . Our first exposure to Emotiva's exceptional watt-per-pound value amplifiers came with the XPA DR2 [HFN Oct '18] which is rated at 550W/8ohm and 800W/4ohm but, on test, delivered 650W/8ohm and 1.02kW/4ohm. Fatigue testing (Lab-2) 6. is now planning to offer its customers the option of having their groceries packed in plastic bags. Campus A is a commuter campus with a results of a comprehensive series of laboratory tests on a series of polymer additives to establish test data that can serve as performance indicators for the mixes. Tensile Test Lab Report. the lab-incharge on it. These properties are used in engineering and design of components and structures. If one pulls on a material until it breaks, one can find out lots of information about the various strengths and mechanical behaviors of a material. 02, 2018. 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