เมื่อสายโซ่ได้รับพลังงานเเล้วเกิดการกระจายเเรง สายโซ่จะไม่ยืดหยุ่นและดูดซับพลังงานได้น้อย ทำให้ค่ำImpact น้อย
Notch toughness is the ability that a material possesses to absorb energy in the presence of a flaw. As mentioned previously, in the presence of a flaw, such as a notch or crack, a material will likely exhibit a lower level of toughness. When a flaw is present in a material, loading induces a triaxial tension stress state adjacent to the flaw. The material develops plastic strains as the yield stress is exceeded in the region near the crack tip. However, the amount of plastic deformation is restricted by the surrounding material, which remains elastic. When a material is prevented from deforming plastically, it fails in a brittle manner.
ทำไมต้องทำรอย
เมื่อสายโซ่ได้รับพลังงานเเล้วเกิดการกระจายเเรง สายโซ่จะไม่ยืดหยุ่นและดูดซับพลังงานได้น้อย ทำให้ค่ำImpact น้อยNotch toughness is the ability that a material possesses to absorb energy in the presence of a flaw. As mentioned previously, in the presence of a flaw, such as a notch or crack, a material will likely exhibit a lower level of toughness. When a flaw is present in a material, loading induces a triaxial tension stress state adjacent to the flaw. The material develops plastic strains as the yield stress is exceeded in the region near the crack tip. However, the amount of plastic deformation is restricted by the surrounding material, which remains elastic. When a material is prevented from deforming plastically, it fails in a brittle manner.ทำไมต้องทำรอย
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