ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Charpy transition temperature TCVN and reference temperature To for 10Ni3CrMoVsteel were determined using two different experimental techniques such as Charpy V-notch impacttest technique and reference temperature To test technique. It was found that two methodsprovided different test results. The median master curve with upper and lower tolerance boundswas got from the test. The upper tolerance bound is often used for material design and application.At the same time the TCVN and To results were discussed for two kinds of heat treatment which areQT(Quenching and Temper) and QLT(Quenching, anneal and temper). JC (med ) K valuescalculated were 101 and 105MPam1/2 for the QT and QLT steels, respectively. These indicated thatthe QLT steels have the higher JC (med ) K , the lower reference temperature and lower energy (orfracture appearance) transition temperature(ETT50 or FATT50) than the QT steels. This was mainlyrelated with the different microstructures of two kinds of heat treatment
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.4488.pdf
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