The specimens are conditioned for at least 30 minutes prior to testing. Bluehill universals streamlined functionality keeps testing workflows simple for new or infrequent users and helps highvolume labs remain efficient. It eliminates the need to manually enter specimen dimensions, saves time, and increases the accuracy of results. How can i prepare tensile test sample according to astm e8. The pulling process continued at a constant speed of 1. Composite tow specimen tensile test using instron ave, pneumatic grips. Consider the typical tensile specimen shown in fig. From setting up the specimen loading conditions to a calculation. Choose suitable specimen holders giving good alignment throughout the test. I am currently using bluehill 2 and already performed some fiber tension testing. Figure 3 shows the setup of the specimen and the specimen that is fully brake. The specimen material is pulled by tensile load at a constant rate until it fractures. The important part of the specimen is the gage section. Properties that are directly measured via a tensile test are ultimate tensile strength, breaking strength, maximum elongation and reduction in area.
Instrons bluehill universal has been developed from the groundup for touch. A wide selection of material test specimens for tensile, torsion, hardness, fatigue and creep experiments on tecquipments material testing equipment range. Bluehill le software, built on the latest bluehill 3 platform and replaces bluehill lite, meets the requirements of fundamental applications and standardized test requirements for tension, compression, flexure, peel, and tear testing. Tensile testing westmoreland mechanical testing and. Tensile test specimen and machine nadcap, astm testing. The test results that were obtained were compared to book values and the result for tensile stress is signicantly different than the book value.
Aug 30, 2010 tensile testing performed on a stainless steel tensile specimen to failure using a computerized tensile test machine. Jan 27, 2010 but there are many other tensile grip configurations in use. Tensile strength wire tester these accessories can be made compatible by testresources to match test machines supplied by other manufacturers. Preconfigured method templates for the bluehill universal. Probably needs to have software loaded on newer computer.
Mechanical testing metallurgical analysis chemical analysis. Software was loaded on older laptop which sometimes loses connection. Chapter 3, uniaxial tensile testing chapter 4, tensile testing equipment and strain sensors tensile specimens and testing machines tensile specimens. E, 1 mpa 106 pa engineering strain is the change in length of the. Example long laboratory report mechanical properties of 1018. The tensile testing laboratory was conducted using an instron load frame and the bluehill data acquisition software. The test specimen shape and dimensions should be in accordance with a recognised standard bs en iso 6892, astm e8 use a calibrated tensile test machine tensometer of sufficient load and displacement capacity with means to record the xy data. Easytounderstand icons and workflows make it easy to train new or experienced users, simplifying operator training and allowing you to start your testing even faster. Simplify your fracture testing, analysis and reporting. Tensile testing metallurgical laboratory sample prep. Testresources expertise is in providing application engineering services and static, dynamic and fatigue testing solutions that include both test machines and accessories. Bluehill impact is designed for touch interaction through its meticulouslycrafted visual interface, featuring large touchpoints and intuitive gestures to make the user experience simpler and smarter than ever before.
To do this, place the sample inside the oven for at least thirty minutes before testing. The first in a series of howto videos, this instron bluehill 3tutorial walks the. Bluehill universals large touchpoints and intuitive gestures make the user experience simpler and smarter. Tensile testing metallurgical laboratory mechanical lab. For example, astm d790 for the flexural testing of plastics requires the test speed to be set as a function of the support span, specimen depth, and a straining rate of 0. Ultimate tensile strength, yield strength, true stress and strain, engineering stress and strain, the elastic modulus, the fracture stress, the modulus of toughness, and the modulus of resilience, may all be determined by. Bluehill universal is the testing industry s most powerful and advanced testing software. After that, the specimen was undergo tensile test using instron 5582 universal testing machine, the specimen was clamped at both and pull upward with one side remain fixed. Built on the industryleading bluehill 3 platform, bluehill le brings a lot of the core features in a lighter package to meet a wide range of testing needs including all major international standards astm, iso, bs, en, din, and jis driven requirements. But there are many other tensile grip configurations in use. Usb port for software installation hard drive with 1 gb free space. This particular set of grips is designed for testing structural foam and similar lowstrength materials. Effect of specimen geometry on tensile testing results. Tensile testing of metals is a destructive test process that provides information about the tensile strength, yield strength and ductility of the material.
Tensile test results include the ultimate tensile strength, yield strength, youngs modulus, ductility, and the strain hardening exponent. Instron bluehill le is the newest materials testing software solution. Tensile testing, tensile test laboratory testing inc. Quicktest, a new standard feature of bluehill universal, allows users to start tests quickly as it only takes a few seconds to enter your parameters. During the test, the tensile load and the elongation of the gage length of the specimen are monitored and recorded. 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.
From these measurements the following properties can also be determined. For most tensile testing of materials, you will notice that in the initial portion of the test, the relationship between the applied force, or load, and the elongation the specimen exhibits is linear. Machine control, data analysis and reporting are performed for metals fracture toughness measurement to key international standards. Abstract tensile test method for the determining of the. Bluehill 2 software is divided into colorcoded tabs making. The purpose of this experiment is to understand provide further understanding of uniaxial tensile testing, as well as the instron tensile test machine and the software blue hill 3. With an extensive inhouse machine shop, specimens are quickly prepared for testing. Tensile testing, also known as tension testing, is a fundamental materials science and engineering test in which a sample is subjected to a controlled tension until failure. Bluehill le is the newest materials testing software solution. The instron universal tester can handle a variety of specimen geometries. For instance, users can fix test speed as a function of specimen thickness and.
Accessories for materials testing 7th edition instron. Hot rolled hr specimens are painted black on one end and cold finish cf specimens are painted white on one end. Specimens can be tested full size or machined to the latest specification. Tensile testing a stainless steel tensile specimen youtube. Tensile testing and hardness testing of various metals. The other ends will have the color that identifies the type of steel. Students learn how to create physical and virtual measurements, setup extra displays, use the navigation assistance, set calculation domains and use the analysis option. 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. Allow the temperature of the sample to come to equilibrium with the instron oven. An extensometer is an instrument that measures test specimen elongation to characterize strain. Our material testers and force measurement machines are all supplied with an integrated material testing software, enabling you to perform a wide variety of standard tests such as compression testing, tensile testing and flexure testing.
Hazard ensure components of the load string are correctly preloaded to minimize the risk of fatigue failure. Instron bluehill universal computer requirements instron. Utilizing stressstrain data analysis the final results obtained are the ultimate tensile strength and the yield point of the material. Oct 08, 2018 quicktest, a new standard feature of bluehill universal, allows users to start tests quickly as it only takes a few seconds to enter your parameters. All these properties can be calculated using a universal testing machine equipped with the right controller, software, grips, and accessories. Using expression builder, bluehill can automatically calculate test speed per each specimen based on these parameters.
How do different specimen geometries affect tensile test results. An extensometer measures yield strength at different loads. Tensile testing metallurgical laboratory 4520 willow parkway cleveland, oh 44125 tf. Instron 5542 tensile compression material tester bluehill. The test results that were obtained were compared to book values and the result for tensile stress.
The results for the testing is in question, specfically the tensile stress at max load. These mechanical tests are performed on bars, plates and shaped products. Bluehill universal is industry leading materials testing software, built from the ground up for touch. Materials, other than these ferrous steels, will only have one color to identify it. The range of applications where extensometers are used is diverse and the technical requirements for these devices are. Experimental study of stressstrain behaviour of opencell. From those data, stress and strain are obtained through simple calculations as well as other mechanical properties such as yield strength. I am trying to find a software which can pick up proper material according to the input variable ex. Plastic and metallic tensile test specimens for teaching.
The data is very smooth and does not exhibit any discontinuities indicating that the extensometer did not slip during testing. Two test were performed in a single and a pair of zipties respectively. Tensile strength wire tester are available as part of a testresources product line of test machine accessories that include a wide range of test fixtures, high low temperature chambers, furnaces, tensile grips, and extensometers. Tensile testing metallurgical laboratorys largest department is mechanical testing. Four different materials were tested, including 6061t6 aluminum alloy, a36 hot rolled steel, polymethylmethacrylate pmma, cast acrylic, and polycarbonate. Using the subsample function in bluehill universal, users have the ability to sort results by all parameters in the results table. Webinar improve data integrity with bluehill universal. Small specimen test technologies for measuring mechanical. In addition to the standard tensile testing that lti performs, we also offer an elevated temperature tensile test, flattening and expansion tests for pipe and tube, bend tests, charpy impact tests and stress rupture tests. Connect micrometers and calipers directly to the system to effortlessly import specimen dimensions into bluehill.
You must be aware of all moving and operating components that are potentially hazardous, particularly the actuator in a servohydraulic testing system or the moving crosshead in an electromechanical testing system. Bluehill universals enhanced functionality including security, testprofiler for cyclic and component testing, and customizable exports. Bluehill universal the next generation of testing software. Description this course provides two days of handson training using bluehill 3 software with a certified instron training instructor. Users have the ability to interface with instrons technical support team directly from the software with instron connect, saving time troubleshooting. These systems can perform a variety of tensile pull, compression. Bluehill universal is industry leading materials testing software, built from the ground up. Extensometry is the science of the measurement and analysis of changes in a materials linear dimensions during tensile testing. Its intuitive workflows are designed to simplify operator training, increase testing efficiency, and minimize safety hazards. The thickness of the specimen at the apex is measured and recorded. Commercial and inhouse software large selection of specimen sizes cyclic fatigue. E equation 1 where p is the load in newtons force read from the loaddisp.
The samples were cylindrical in cross section, with a reduced gage. Measure the height and diameter of the sample using the digital caliper. Bluehill fracture is a dedicated fracture mechanics software from instron. This device makes it possible to avoid calling an item simply acceptable or. Tensile test method for the determining of the structural properties of individual carbon fibers carlton metcalfdoetsch honors mentor. The 3class attributes plan is defined by recognizing three categories of quality, say good, marginal and bad. Tensile testing of soft tissue using biobath and ave syringe testing using instron fixture composite tow specimen tensile test using instron ave, pneumatic grips. Watch this webinar to learn about the latest updates to bluehill universal software, including security feature enhancements which allow users to configure more granularity in permissions, as. Built on our popular and adaptive bluehill platform, bluehill impact is instrons newest and most powerful impact testing software.
Tensile testing performed on a stainless steel tensile specimen to failure using a computerized tensile test machine. Based on this data, the 1018 cold rolled steel specimen exhibits significant ductility due to its large plastic deformation. Materials testing involves inherent hazards from high forces, rapid motions, and stored energy. Tensile testing lab stress strain curve report atrona. Onsite test method development training for bluehill 3. In this linear region, the line obeys the relationship defined as hookes law where the ratio of stress to strain is a constant. This video shows the preconfigured method templates for the bluehill universal from instron. The forces throughout the sample and test machine are constant, but the stress varies with cross sectional area. When performing material testing, a good analysis software is the key to obtaining high precision test results. Jun 12, 2012 extensometry is the science of the measurement and analysis of changes in a materials linear dimensions during tensile testing. In tensile testing, an axial pull is exerted upon the material in accordance with agreed upon standards, and the results measured with scientifically accurate methods. Example long laboratory report mechanical properties.
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