***ージョン摩耗における衝突粒子の諸因子の影響

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This study describes the change of the characteristics of wear amount and angle dependency by properties of impact particles. First, as to dimension, in cases of particle diameter 370 mm and 660 mm. the angle dependency of mild steel is a twin-peek type, while the angle dependency shows the soaring tendency in case of diameter 990 mm. As to hardness, while mild steel of standard grit shows the twin-peek characteristic, quench hardening grit tends to grow steadily. Then, the unified consideration that the factors of particle-diameter and hardness affect cutting and deformation types of erosive wear differently will enable us to comprehend this change of erosive wear characteristics. Moreover, our test result with polygonal steel grits has proved that the above mentioned two wear-mechanisms can be accountable quite satisfactorily.
2003-07-25