関連ワード:  flexural modulus vs elastic modulus    flexural modulus vs young's modulus    flexural modulus vs shear modulus    bending modulus vs elastic modulus    flexural modulus and elastic modulus difference    flexural modulus and elastic modulus    flex modulus vs young's modulus    bending modulus vs young's modulus    flexural modulus and young's modulus    bending modulus vs shear modulus