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How to Download ASTM D638-10 PDF for Free
ASTM D638-10 is a standard test method for tensile properties of plastics. It covers the determination of the tensile strength, elongation, modulus, and Poisson's ratio of unreinforced and reinforced plastics in the form of standard dumbbell-shaped test specimens under defined conditions of pretreatment, temperature, humidity, and testing machine speed[^1^].
Tensile properties of plastics are important for engineering design, quality control, and research and development. However, ASTM standards are not free to access online. They are protected by copyright and require a subscription or a purchase to view or download them. So how can you download ASTM D638-10 PDF for free
There are some possible ways to get a free copy of ASTM D638-10 PDF, but they are not legal or ethical. For example, you could try to find a pirated version on some file-sharing websites or forums, but this would violate the intellectual property rights of ASTM International and expose you to potential malware or viruses. You could also try to borrow a copy from someone who has a subscription or a purchase, but this would breach the terms and conditions of use of ASTM standards and risk losing their access.
The best way to download ASTM D638-10 PDF for free is to request a complimentary copy from ASTM International. According to their website[^2^], they offer free copies of standards for certain purposes, such as academic research, government regulations, or public safety. You can fill out an online form with your name, email address, organization, purpose of use, and the standard number (D638-10) and submit it to ASTM International. They will review your request and send you a free copy of ASTM D638-10 PDF if it meets their criteria.
Alternatively, you can also access ASTM D638-10 PDF for free through some online libraries or databases that have a subscription or a license to ASTM standards. For example, you can search for ASTM D638-10 on GlobalSpec[^3^], a platform that provides technical information and specifications for engineering products and services. You can view the abstract, scope, significance and use, and references of ASTM D638-10 on GlobalSpec without registering or logging in. However, if you want to view or download the full text of ASTM D638-10 PDF, you need to register for a free account and log in.
In conclusion, ASTM D638-10 is a useful standard test method for tensile properties of plastics, but it is not freely available online. You can either request a complimentary copy from ASTM International or access it through some online libraries or databases that have a subscription or a license to ASTM standards.
How to Perform ASTM D638-10 Test Method for Tensile Properties of Plastics
If you have a copy of ASTM D638-10 PDF and you want to perform the test method for tensile properties of plastics, you need to follow some steps and procedures. First, you need to prepare the test specimens according to the standard. You can use any type of plastic material, as long as it is in the form of standard dumbbell-shaped test specimens with a thickness of up to 14 mm (0.55 in.). You can either cut the specimens from a larger sheet or mold them directly. You also need to make sure that the specimens are free of flaws, cracks, or defects that could affect the test results.
Second, you need to condition the test specimens according to the standard. You need to expose the specimens to a standard laboratory atmosphere of 23 Â 2ÂC (73.4 Â 3.6ÂF) and 50 Â 5% relative humidity for at least 40 hours before testing. You can also use other conditioning environments if specified by the material specification or agreed upon by the parties involved. You need to avoid exposing the specimens to direct sunlight, dust, or moisture during conditioning.
Third, you need to perform the test according to the standard. You need to use a testing machine that can apply a constant rate of crosshead movement and record the load and elongation of the specimens. You need to set the testing speed according to the type and thickness of the material and the desired strain rate. You need to attach two gage marks on each specimen at a specified distance and align them with the grips of the testing machine. You need to apply a preload of 0.5% of the expected maximum load and then start the test. You need to record the load and elongation at regular intervals until the specimen breaks or reaches a specified strain.
Fourth, you need to calculate and report the results according to the standard. You need to calculate the tensile strength, elongation, modulus, and Poisson's ratio of each specimen using the formulas and methods provided in the standard. You need to report the average values of each property for at least five specimens of each material type and condition. You also need to report any deviations from the standard test method, such as specimen preparation, conditioning environment, testing speed, etc. ec8f644aee