The universal testing machine can be used to determine the tensile strengths of. In this case, the fracture stress is the tensile strength. The tensile strength for ductile materials, the tensile strength corresponds to the point at which necking starts. Lab report tensile and hardness testing of mild steel. The engineering tensile test is also known as tension test which vary widely used for providing the base of the design information on the strength of material and as an acceptance test for the specification of the materials. With the advancement and continuing integration of composite materials and technology in todays modern industries, research in this field is becoming more and more significant.
Analysis of tensile test of mild steel using finite. Figure 1 tensile test machine the specimen that being tested is given some force in two directions, which is in unaxial direction. Strength can have many meanings, so let us take a closer look at what is meant by the strength of a material. Hardness laboratory laboratory performed on september 23, 2008 by the late tuesday lab group. The purpose of tensile test is to calculate tensile strength. A distinction is made between the percentage total elongation at maximum force a gt and the percentage nonproportional elongation at maximum force ag see figure 1. Four different materials were tested, including 6061t6 aluminum alloy, a36 hot rolled steel, polymethylmethacrylate pmma, cast acrylic, and polycarbonate.
A tensile test is carried out on standard tensile test specimen in universal testing machine. Introductiontheory tensile testing is one of the most simple and widely used materiel tests available. Tensile test perfomed on mild steel specimen of 16 mm diameter and 200 mm long. Steel was found to be the strongest of the four metals with an ultimate tensile strength of 515. To conduct a tensile test on a mild steel specimen and determine the following. The topic of this lab is confined to the tensile property of polymers. Tensile strength of a material is the tension stress at which a material breaks or permanently deforms changes shape toughness, resilience, poissons ratio can also be found by the use of this testing technique. This publication is being made available in pdf format as a benefit to members and. Tensile testing of steel see web for typical report format including. This report presents tensile yield data for aluminum, mild steel, rha, and copper. Ame 21241 mechanics of solids laboratory spring 2017.
The simple tensile test was performed on each of the four samples. In a tensile test of mild steel specimen, usually a round or flat bar is gradually pulled in a testing machine until it breaks. Me 105 mechanical engineering laboratory spring quarter. Example long laboratory report mechanical properties. In the material testing laboratory, tensile test was done on a mild steel. Steel tensile testing steel tension test analysis sgs. Tension test is performed on mild steel, tor steel and high tensile steel to determine the properties like youngs modulus, ultimate strength, and the percentage elongation.
Hi all, this video will give you insights into tensile test of ductile material along with learning the basics of ductile and brittle material. From this experiment, it can be seen that mild steel have higher tensile and. 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. This data is plotted as load vs elongation and then converted to engineering stress loadoriginal area vs engineering strain fractional change in length over. Test database of the mechanical properties of mild, high. Tensile tests are very simple, relatively, inexpensive, and fully standardized. Universal testing machine, specimen and extensometer. Conclusion we were able to successfully tensile test. The software required to run the uniaxial tests will be loaded and ready to go when you get to the lab. Show the completed lab report and take the signature from your tas before living the lab.
To understand the principle of a uniaxial tensile testing and gain practice on operating the tensile testing machine to achieve the required tensile properties. Sample of steel is 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. The data collected was the position and load of what was going on to a sample material. Two points, called gauge points, are marked on the central portion. The tensile test is most applied one, of all mechanical tests. Steel was found to be more ductile than castiron but less ductile than aluminum. A steel specimen is gradually pulled through a testing machine until it breaks, and stress and corresponding strains are recorded. The tensile testing laboratory was conducted using an instron load frame and the bluehill data acquisition software. Tensile test experiment materials science and engineering. We will look at a very easy experiment that provides lots of information about the strength or the mechanical behavior of a material, called. Conclusion we were able to successfully tensile test aluminium and mild steel using the universal testing machine, from the data obtained we were able to successfully obtain the youngs modulus, ultimate tensile strength and yield stress values of the two metals. Ryan carmichael, rachel cohen, zach eichenwald, anne krikorian, jing ng, meghan whalen report by ryan carmichael and anne krikorian e59 laboratory report submitted october 7, 2008 department of engineering, swarthmore college.
Your ta will show you how to operate the data acquisition system. Tensile fracture data are presented for 1100 aluminum, rha, and nickel. Lab 3 tension test objectives concepts background experimental procedure report requirements discussion objectives experimentally determine the yield strength, tensile strength, and modules of elasticity and ductility of given materials. Friday, march 10th 2017 materials engineering laboratory applied physics study program faculty of science and technology sampoerna university 2017. Tensile test lab report yield engineering deformation. Mechanical testing instructional lab university of illinois board of trustees, 2010 january 2010 version tensile data analysis the tensile example document presents a method to generate a stressstrain curve from test data.
This lab tested two materials mild steel and cast iron. The samples were cylindrical in cross section, with a reduced gage. Afwaltr824026 defense technical information center. Tensile test of mild steel free download as word doc.
Experiment 4 testing of materials in tension object. In the tension test, a steel rod is subjected to tension load by the means of a universal testing machineutm. Such materials have tensile strengths, but no yield stresses. The object of this experiment is to measure the tensile properties of two polymeric materials, steel and aluminum at a constant strain rate on the tension testing machine. The materials used were two different types of aluminum and steel. Abstract tensile test method for the determining of the. The objective of this experiment is to investigate the behavior of two material specimens under a tensile test.
The two materials under consideration are mild steel and an acetalcopolymer. Abstract tensile test method for the determining of the structural properties of individual carbon fibers carlton metcalfdoetsch honors mentor. The results of the tensile tests showed that the a36 hot rolled steel was the. Example long laboratory report mechanical properties of 1018 steel in tension i. Integral part of the laboratory report is stressstrain diagram, obtained from testing machine, completed by axes, description and scale. Tensile testing report tensile testing experiment 1. Cold rolled annealed steel the measurements that were taken. Shown below is a graph of a tensile test for a common steel threaded rod. Lab 2 tensile test abstract the aim behind this experiment was to put mild steel, copper and aluminium through a tensile test, with mild steel being tabulated and graphed to show its properties and how they could be used in the real world. Give attendance to the sm lab and submit your report before your attendance is given. These are the sources and citations used to research lab report tensile and hardness testing of mild steel. The data from each test was used to determine valuable material properties such as ultimate tensile strength, modulus of elasticity, and yield strength. We will look at a very easy experiment that provides lots of information about the.
One material property that is widely used and recognized is the strength of a material. To determine tensile strength of steel specimen objectives. This visual representation helps to guide the determination of material properties for design. Tensile testing and hardness testing of various metals.
Tensile test diagram strength of materials mechanical. Sometimes the upper yield strength of lowcarbon steel is. Very brittle materials, fracture before they yield. Lab manual study the utm and perform the tensile test. Lab notes tension test objective determine the tensile properties for samples of candidate design materials. For the tensile test experiment, data was collected from using an mts machine and lab computer. Discussion of the new test database refers to extant test databases where available. Abstract this experiment was conducted so as compare the mechanical properties of aluminium and mild steel. From performing the tensile test the following properties will be determined. In this paper, it is decided to do a tension test of mild steel using abaqus cae software. The basics on the operation of universal testing machine were also learnt during this experiment. Tensile test of mild steel specimen on utm youtube.
The materials to be investigated are copper and steel. Steel was also able to resist larger stresses corresponding to larger loads compared to the other two. Various mc and structure components are subjected to tensile loading in numerous application. The data used for this lab report was not gathered from the student run experiments, but rather from standardized testing performed by the laboratory professor, to ensure accurate and consistent results. The stressstrain curve describes the behavior of steel bars under loads. Tensile data analysis comments analysis of tensile data. Mechanical tests may also be divided into quantitative or qualitative tests. Example long laboratory report mechanical properties of.
Other calculated properties included true fracture strength, percent reduction of area, and percent. Tensile properties of interest are the yield stength, ultimate tensile strength, modulus of elasticity and elongation at fracture. Introduction the tensile test is an engineering procedure used to characterize elastic and plastic deformations related to the mechanical behaviour of materials. An example of this dual role of mechanical testing is the tensile test that may be used either to determine the yield strength of a steel for use in design calculations or to ensure that the steel complies with a material specifications strength requirements. When a material is tested, the objective usually is to determine whether or. To test a mild steel specimen till failure under tensile load. Concepts the linear relationship is hookes law that represents elastic deformation. Students should report to the labs concerned as per the timetable. By comparing the values of the two metals we can see that mild steel has higher values in all of the three properties which. Uniaxial tension and compression testing of materials. Using a benchtop tensile testing machine, determine the youngs modulus, yield stress, ultimate tensile stress, ductility, and toughness of aluminum, brass and. In this report i have tried my best to summarize all the things that i have learnt during my stay at rine engineering pvt limited,baddi,india, in simple. Developments in laboratory techniques are reported for every type of test. Tensile test tensile test is a method used to measure the strength of an material by giving a static load on unaxial direction of the specimen.