About HIRONAKA SEIICHIRO
About トライボロジスト
About solid lubricant
About composite material
About tribology
About Friction
About wear characteristics
About friction coefficient
About Lubrication
About wear
About abrasive wear
About polymer material
About friction property
About adhering wear
About comparative abrasion quantity
About mechanical property
About property
About Lubrication in general
About Mechanical properties of solids in general
About 固体潤滑
About 現状
About 展望
About 高分子系材料