Therefore, studying the various microalloy additions and thermomechanical process parameters is the main objective of present study, which can generate large amounts of precipitates in the steel.

• 因此本研究之最主要目的即是利用控制合金设计及热机制程参数两项观点来产生大量奈米级碳化物在高强度低合金钢基地中产生析出。