为了降低冷作强化非调质钢冷镦变形的变形抗力,研究了冷作强化非调质钢MFT8在冷变形过程中的鲍辛格效应.结果表明,鲍辛格效应随冷拔减面率γ增加而提高;γ=30%时,鲍辛格效应最大,压缩真应力最小;γ>30%时,压缩真应力重新提高,这是鲍辛格效应与加工硬化共同作用的结果,即加工硬化抵消了鲍辛格效应.
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