Browsing คณะ/วิทยาลัย (Faculty and College) by Subject "Hole expansion ratio"
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(Rajamangala University Of Technology Rattanakosin, 2017)The hole flange ability can be evaluated by limiting hole expansion ratio from hole expansion test. High strength steel grade 590 and 780 with 1.2 mm of thickness were used in this research. This results showed that the ...