( 2is1)thaelssotrmesigs hint tbeensdietyfinfaecdtoars.: (22) (22) That is, as an intensity range, when ∆K is applie√d to matter, a crack will be produced wbyhaerpeaBrtiiscualacornqsutaannttiqtyu∆ana,tiwtyhaicnhdi∆s dKe=peYndSe(onrt ∆onσ)theπcaraisckthgerostwr...