This standard specifies two methods for testing the vibration damping characteristics of unrestrained damping composite beams: the cantilever beam method and the central excitation method.
JIS K 7391:2008 Referenced Document
ISO 10112 Damping materials; graphical presentation of the complex modulus
JIS B 0153 Glossary of terms used in mechanical vibration and shock
JIS B 0405 General tolerances -- Part 1: Tolerances for linear and angular dimensions without individual tolerance indications
JIS B 0419 General tolerances -- Part 2: Geometrical tolerances for features without individual tolerance indications
JIS G 0602 Test methods for vibration-damping property in laminated damping steel sheets of constrained type
JIS H 7002 Glossary of terms used in damping materials
JIS Z 8106 International electrotechnical vocabulary Chapter 801: Acoustics and electroacoustics
JIS K 7391:2008 history
2008JIS K 7391:2008 Test methods for vibration-damping property in damped composite beam of unconstrained type