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question about ceramics?

How is fracture toughness measured in ceramics

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70% front 30% rear, and it wont hurt to down shift. You will burn out the clutch before you hurt the motor.
When you are emergency stopping you well not have time to think of downshifting or clutch operating. your are concentrating on stopping. Im not a rider but I don't think would not think about the hand brake and would just smash the foot brake which would not stop you very good but if you were to squeeze the front brake to much or to soon it may flip the bike over head first as the front wheel grabs the the rest of the bike keeps going. but again I'm not a rider. good luck Tim
Jee, you must use your head in a panic stop. Else you will lock up and lose control and go down. Yes keep the clutch in. No don't gawk at the ladies in orange suits working the side of the road. 70/ 30 sounds about right and remember; you will outstop the vehicle behind you so watch your mirror. If the rear car gains on you faster than you are stopping short of the front car! You will know how it was all those 30's french authors filled those silly sounding novels about the existential man on the edge with capture the moment plots. Enjoy, and buy a helmet.
*3 MPa m^1/2 to 10 MPa m^1/2 [The strength of many advanced ceramics reflects the flaws present in the material and the material's intrinsic fracture toughness. Monolithic ceramics and some composite ceramics (i.e., particulate- or whisker-reinforced) will fail in a brittle fashion when stressed due to unstable propagation of cracks from preexisting flaws.] *Pl. refer ASTMC1239-07- Standard Practice for Reporting Uniaxial Strength Data and Estimating Weibull Distribution Parameters for Advanced Ceramics.

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