Reportlab have over 20 years experience creating pdf web services using a variety of technologies including json and xml. Mechanical engineering engineering laboratory reports. The purpose of this experiment is using a torsion tester we set out to find the modulus of rigidity or shear modulus of the specimen being tested. Torsion test procedure mechanics of materials lab, civl 3325 september, 29, 2011 strain gauge electrical sensor transducer that measures strains. A brief description of the test procedure, and a sketch of the test setup sample calculations and answers to any questions for each material, use matlab to plot on same graph the measurements of load and. Friday, march 10th 2017 materials engineering laboratory applied physics study program faculty of science and technology sampoerna university.
Stress patterns in flex testing are complex unlike in tensile or shear. Another important reason is that the threepointbend test is a simple way to subject a specimen to tension, compression, and shear simultaneously. Its main objective is the determination of properties related to the elastic design of machines and structures. Write mean initial diameter value in lab 1 test data table. The material samples used were a36 steel and 6061t6 aluminum.
Me 457 experimental solid mechanics lab torsion test. Example long laboratory report mechanical properties of. The experimental procedure should not be included in the abstract. 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. It is equal to torsional deformation multiplied by the radius of the shaft. A jar test study on the use of alum for turbidity and nutrient removal in canyon lake, ca final report submitted to mwh americas, inc.
Four different materials were tested, including 6061t6 aluminum alloy, a36 hot rolled steel, polymethylmethacrylate pmma, cast acrylic, and polycarbonate. Wood bend test jarrett baglietto chris kelly collin johnson engr 45 fall 20 srjc. In this a rectangular bar type sample is supported on two fulcrum points, while the span will be loaded at one or two points subjecting the sample bending loads. Lab report tensile test introduction the purpose of this. Flexural or bending test lab report free download as pdf file. Bending stresses are produce in a beam when an external force is applied on the beam and produce deflection in the beam. Its electrical resistance changes when an external force stretches or compresses it change in resistance is directly proportional to displacement strain. Engri 1170, introduction to mechanical engineering. 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. Tensile testing of steel see web for typical report format including. However, if you are designing a lab report without any help. To study the various component parts of the universal testing machine u. Friday, march 10th 2017 materials engineering laboratory applied physics study program faculty of science and technology sampoerna university 2017.
Using report templates in pdf you can be guaranteed that you will miss out on anything that is very important. The simple tensile test was performed on each of the four samples. All necessary files can be found on the main course page under week 1. Follow all computer instructions and provide information required by the program. The tensile testing laboratory was conducted using an instron load frame and the bluehill data acquisition software. In some cases, the laboratory results may be used for solving a specific engineering problem posed by the instructor. Shear stress developed in a material subjected to a specified torque in torsion test for a circular. The abstract is a summary of the contents of the report. Besides the crystallographic nature of a material, imperfections inside a material have an even greater influence on the mechanical properties, i. Flexural or bending test measures the bending behavior of beams or beam like samples. Experiment 3 metallographic observations background materials engineers can predict the general behavior of materials by observing their microstructure. In the case of shotcrete, the samples are sawn out of test panels. The test beams are not notched and the samples are not turned on their side but tested as shot.
Each group will deliver one report that should include. Flexural or bending test lab report deformation engineering. Appendix i modulus of elasticity tension test procedure. Other dimensions for the test beams may be preferable. Chapter 1 introduction the purpose of this manual is to assist both the novice and the experienced laboratory. View lab report 145757294flexuralorbendingtestlabreport. Values of the bending stresses obtain from the experiment are presented in the table above and they are arranged in the respective cell according to the load that produce that bending moment. Arcadia, ca for elsinore valley municipal water district 315 chaney st, lake elsinore, ca 92531 submitted by james a. How to write physics lab reports santa rosa junior college. It is therefore, a concise statement of the objectives of the test, and highlights of the lab results, discussion and conclusions. Concepts the linear relationship is hookes law that represents elastic deformation. For structural applications of materials such as bridges, pressure vessels, ships. Experimental investigation on inplane behaviour of cross. The purpose of the lab is to determine the modulus of elasticity, e, and the shear modulus, g, of a given sample of wood using static bending.
It is designed to make the writing process clear, and. How to write in the format of a scientific paper sarah deel, carleton college biology department, january 2006 how to use this guide the purpose of this guide is to help you write lab reports in biology. The camera with the mounted powder specimen was taken into the darkroom near the xray diffractometer laboratory and a roll of xray sensitive film removed from the darkroom film fridge low temperatures slow the degradation of the reagents in the film after the lights had been extinguished and the film safe red lights switched on. The departmentlaboratory is not responsible for the sampling, originality and on site conditions mix proportion, wc ratio, compaction, curing and quality of ingredients. Flexural or bending test lab report k6nqp66pjq4w idocpub. A lab report is nonetheless a detailed account of an experiment along with the results found. It is designed to make the writing process clear, and should help protect you from unnecessary frustration. This report presents fourpoint bending tests performed on. Strength of materials lab manual pdf sm lab manual pdf.
The following format should be followed, use of headings is generally required. This needs to be presented in an organized manner with all the segments in place. Ce330l student lab manual wood flexural strength introduction this section outlines the steps necessary to perform the wood flexural strength lab experiment. In this sense, a threepointbend test provides a direct measure of the structural in. Its electrical resistance changes when an external force stretches or compresses it change in resistance. From the experiment, the shear elastic modulus g, shear proportional stress. In norway and sweden and also in the efnarc specification, beams with a height of 75 mm and a width of 125 mm are used. Follow the prompts and answer the questions in red.
For the tensile test experiment, data was collected from using an mts machine and lab computer. A table with 6 columns is shown on the following page. If the beam has a uniform crosssection and elastic properties along, the bending stiffness to a concentrated force applied in the midspan can be calculated as k 48ei l3 e 1 where l e is the effective span, i. The purpose of tensile test is to calculate tensile strength. Lab report 1 introduction to parametrics instructions. Complete the first 5 columns of this table using the data collected during the torsion test. The samples were cylindrical in cross section, with a reduced gage. The data is often used to select materials for parts that will support loads without flexing. The purpose of the bending test is to get an idea of the stiffness the bending. Solid and hollow shafts introduction the purpose of torsion testing usually parallels that of uniaxial tension tests. For each test specimen, measure the mean diameter, taking the average of three measurements.
The main advantage of a three point flexural test is the ease of the specimen preparation and testing. All the data is presented in the graphs and according to that graph the theoretical bending moment is showing. Strain corresponding to specified torque in torsion test. A brief description of the test procedure, and a sketch of. Strength and testing of materials engr211204 uploaded by. Example long laboratory report mechanical properties. The topic of this lab is confined to the tensile property of polymers. Flexural or bend testing touchstone testing lab, llc. Mar 20, 2018 lab report engineering materials lab tensile test 1. The title of the lab the names of lab partners the date when the lab was conducted abstract. 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 test results are recommended to be interpreted in the light of above factors by the engineer.
This report format emphasizes laboratory methodology and the computation, presentation, and discussion of laboratory results. Noblet with research assistance by emmett campbell and graciela cervantes. A formal lab report describing your work is due two weeks after your lab session. Also the yield strength, tensile strength, the changes in length and area, youngs modulus and rupture stress were determined too.
The test provides values for the modulus of elasticity in bending, flexural stress, flexural strain and the flexural stressstrain response of the material. Abstract this experiment was conducted so as compare the mechanical properties of aluminium and mild steel. Over the years weve evolved a simple way to give companies a documentgeneration service. Example long laboratory report mechanical properties of 1018. The following two items must appear in your lab report. Open rhino and go to filenew to create a new blank file. Pdf on dec 7, 2016, o katona and others published experimental study of a. Pdf experimental study of a fourpoint bending test on clt deep.
The universal testing machine can be used to determine the tensile strengths of many engineering materials. Bending stresses main depends on the shape of beam, length of beam and magnitude of the force applied on the beam. 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. The purpose of this lab was to apply the tensile test for two different materials steel and aluminum in order to determine the stressstrain relationship in them. The basics on the operation of universal testing machine were also learnt during this experiment. How to write physics lab reports there are three questions to keep in mind when writing lab reports. The tension test is the most commonly used method to evaluate the mechanical properties of metals. Standard test method for the slump of hydraulic cement concrete. Torsion test on mild steel and cast iron lab report. Helpful instructions on how to write a mechanics lab report. Experiment 4 testing of materials in tension object. Tensile tests are very simple, relatively, inexpensive, and fully standardized.
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. Bend test three point flexural test the flexural test measures the force required to bend a beam under 3 point loading conditions. In order to calculate the bending stresses in the beam following formula can be used. The data collected was the position and load of what was going on to a sample material. For me lab i, you will usually report your values as mean. Country, city and institution where the experiment was carried out. Could your friend or your boss read the report and understand exactly what you did. A brief description of the test procedure, and a sketch of the test setup sample calculations and answers to any questions for each material, use matlab to plot on same graph the measurements of load and displacement those 7 or 10 data points. The three point bend test machine intelligence laboratory.
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