The ripple wavelengths on the ceramic surfaces, which were influenced by the mechanical properties and material grain size, were less than those on the metallic surfaces. 相同的冲蚀磨损条件下,脆性材料表面冲击波纹的波长和周期比塑性金属材料的都要小。
Species include Red Oak, White Oak, Ash, Hard Maple, Soft Maple, Hickory, Cherry, Basswood, Beech, Birch, Curly Soft Maple, Butternut , White Pine, etc. 品种包括红橡,白橡,水曲柳,硬枫,软枫,山核桃木,樱桃木,椴木,山毛榉,桦木,波纹软枫,白胡桃,白松木等。