阅读说明：本技术 具有高生产率的压制硬化部件的制造方法 (Method for producing press-hardened parts with high productivity ) 是由 亚历山大·布莱斯 帕斯卡尔·德里耶 蒂埃里·斯图雷尔 于 2019-03-05 设计创作，主要内容包括：一种用于制造非冲压预合金化的钢卷、钢板或钢坯的方法,包括以下连续步骤：-提供由被铝或基于铝的合金或铝合金的预涂层覆盖的钢基底组成的非冲压预涂覆钢卷、钢板或钢坯,其中钢卷、钢板或钢坯的每一侧上的预涂层厚度为10微米至35微米,然后-在包含至少5％氧气的气氛下在炉中加热非冲压钢卷、钢板或钢坯直至750℃至1000℃的温度θ<Sub>1</Sub>持续t<Sub>1最小</Sub>至t<Sub>1最大</Sub>的持续时间t<Sub>1</Sub>,其中：t<Sub>1最小</Sub>＝23500/(θ<Sub>1</Sub>-729.5)以及t<Sub>1最大</Sub>＝4.946×10<Sup>41</Sup>×θ<Sub>1</Sub><Sup>-13.08</Sup>,t<Sub>1</Sub>表示炉中的总持续时间,θ<Sub>1</Sub>以℃表示,t<Sub>1最小</Sub>和t<Sub>1最大</Sub>以秒表示,然后-以冷却速率V<Sub>r1</Sub>将非冲压钢卷、钢板或钢坯冷却至温度θ<Sub>i</Sub>,然后-将非冲压钢卷、钢板或钢坯在100℃至500℃的温度θ<Sub>2</Sub>下保持3分钟至45分钟的持续时间t<Sub>2</Sub>,以获得小于0.35ppm的扩散氢。(A method for manufacturing a non-stamped pre-alloyed steel coil, plate or billet comprising the following successive steps: -providing a non-stamping consisting of a steel substrate covered with a pre-coating of aluminium or an aluminium-based alloy or an aluminium alloyPrecoating a steel coil, plate or billet, wherein the thickness of the precoating layer on each side of the steel coil, plate or billet is between 10 and 35 micrometers, and then-heating the non-stamped steel coil, plate or billet in an atmosphere comprising at least 5% oxygen in a furnace up to a temperature θ of between 750 and 1000 ℃ 1 Duration t 1 minimum To t 1 max Duration t of 1 Wherein: t is t 1 minimum ＝23500/(θ 1 -729.5) and t 1 max ＝4.946×10 41 ×θ 1 ‑13.08 ，t 1 Representing the total duration in the furnace, theta 1 In ℃ of t 1 minimum And t 1 max Expressed in seconds, then-at a cooling rate V r1 Cooling a non-stamped steel coil, plate or billet to a temperature theta i Then-subjecting the non-stamped steel coil, plate or billet to a temperature theta of between 100 ℃ and 500 ℃ 2 Is kept for a duration t of between 3 minutes and 45 minutes 2 To obtain less than 0.35ppm of diffusible hydrogen.)