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dc.contributor.authorWirotcheewan, Praserten_US
dc.contributor.authorประเสริฐ วิโรจน์ชีวันen_US
dc.date.accessioned2022-07-18T08:31:18Z
dc.date.available2022-07-18T08:31:18Z
dc.date.issued2022-07-18
dc.identifier.urihttp://repository.rmutp.ac.th/handle/123456789/3902
dc.descriptionรายงานวิจัย -- มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร, 2563en_US
dc.description.abstractThis research is to test the fatigue endurance of the material by using end bending of specimen. The testing material is S45C steel and forming to the standard size for testing. The specimens, with a diameter of 8 mm, required a different bending moment. It was found that the large bending moment affects the fatigue of the specimen. The specimen quickly damaged due to the high bending stress and there were a small number of load cycles. If the bending moment acting on the specimen was reduced to the bending stress decreased and the number of load cycles increasing. It was shown that the bending stress and the magnitude of the bending moment affected the fatigue of the material. Also, the appearance of damage marks of the specimen will have a flaw around the fracture surface. Then the flaw will be enlarged until the specimen will be damaged by fracture.en_US
dc.description.sponsorshipRajamangala University of Technology Phra Nakhonen_US
dc.language.isothen_US
dc.subjectsteelen_US
dc.subjectเหล็กกล้าen_US
dc.subjectmaterial fatigue resistanceen_US
dc.subjectความต้านทานความล้าของวัสดุen_US
dc.subjectFatigue testingen_US
dc.subjectการทดสอบความล้าen_US
dc.subjectRotating Bendingen_US
dc.subjectการหมุนดัดen_US
dc.titleFatigue testing of steel S45C by rotating bending at the enden_US
dc.title.alternativeการทดสอบความล้าของเหล็กกล้า S45C แบบหมุนดัดปลายen_US
dc.typeResearch Reporten_US
dc.contributor.emailauthorarit@rmutp.ac.then_US
dc.contributor.emailauthorprasertwirot@hotmail.comen_US


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