About MABUCHI YUTAKA
About 日産自動車
About トライボロジスト
About DLC film
About automobile
About machine element
About arm(machine element)
About piston
About piston pin
About wear characteristics
About friction coefficient
About tribology
About abrasion resistance
About frictional force
About surface roughness
About engine oil
About friction test
About wear rate
About valve lifter
About rocker arm
About automotive parts
About seize resistance
About friction property
About Lubrication in general
About Carbon and its compounds
About Automobile design,structure and materials in general
About 硬質炭素膜
About トライボロジー
About DLC膜
About 自動車部品