Class
ItemMaterials classIIIIIIPropertyBending strengthσ3.40(Mpa)900800600Crushing load ratio(%)353530Hardness(HV10)158014801380Fracture toughness(Mpa.m1/2)6.05.05.0The limit does of fiber structurePore size(μm)101025Porosity(%)0.020.060.06Crystal phase(μm)101025The second ceramic phase(μm)252525The maximum of inclusion of transverse section every
Square centimeterRange 200(μm)001Range 100~200(μm)012Range 50~100(μm)124Range 20~50(μm)4816
Examples of Si3N4 ceramic ball's common applicationsThe nominal diameter of bearing ballThe nominal diameter of bearing ballThe nominal diameter of bearing ballmminmminmmin 1/325 8.73111/320.8 5.5 9.5253/81 5.5567/3211.1127/161.5881/165.95315/6412.30331/642 6 12.71/22.3813/326.351/413.49417/322.5 6.5 14.2889/163 6.74717/6415.08119/323.9695/327 15.8755/84 7.1449/3219.053/44.5 7.5 25.414.7623/167.9385/1631.751 1/4

Note:  The special specification can be manufactured after negotiating

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