CN105463312A - 一种耐划伤汽车消音箱的制备方法 - Google Patents

一种耐划伤汽车消音箱的制备方法 Download PDF

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CN105463312A
CN105463312A CN201510994877.1A CN201510994877A CN105463312A CN 105463312 A CN105463312 A CN 105463312A CN 201510994877 A CN201510994877 A CN 201510994877A CN 105463312 A CN105463312 A CN 105463312A
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陈恒义
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Hefei Zhonglan New Material Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607—Molten salts
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

本发明公开了一种耐划伤汽车消音箱的制备方法，包括以下步骤：钢液中化学成分重量百分比为：1.2%≤C≤1.4%，0.7%≤Si≤0.9%，0.3%≤Mn≤0.5%，0.001%≤P≤0.005%，0.002%≤S≤0.006%，0.1%≤Ti≤0.3%，1.4%≤Cr≤1.6%，痕量≤B≤0.0018%，0.08%≤V≤0.12%，0.08%≤Cu≤0.12%，余量为铁及不可避免的杂质；本发明使其利于大批量的工业化的生产，并减少了锻造过程中出现夹污、充不满的现象，产品的力学性能进一步改善，节约了产品用料，具有抗划伤的性能。

Description

一种耐划伤汽车消音箱的制备方法
技术领域
本发明涉及汽车零部件领域，具体属于一种耐划伤汽车消音箱的制备方法。
背景技术
汽车消音箱是发动机上的一个重要机件，其材料是由碳素结构钢或球墨铸铁制成的，有两个重要部位：设计要求高，同时因汽车消音箱工况及其恶劣，因而对曲轴材料、曲轴尺寸精度、表面粗糙度、热处理和表面强化、动平衡等要求十分严格。在大批量生产的条件下，传统工艺已不能满足当前设计和生产需求，在长时间、路况起伏情况下，消音箱容易过早出现失效或划伤，严重影响汽车消音箱的寿命和整机可靠性。
发明内容
本发明的目的是提供一种耐划伤汽车消音箱的制备方法，使其利于大批量的工业化的生产，并减少了锻造过程中出现夹污、充不满的现象，产品的力学性能进一步改善，节约了产品用料，具有抗划伤的性能。
本发明的技术方案如下：
一种耐划伤汽车消音箱的制备方法，包括以下步骤：
a、钢液制备
钢液中化学成分重量百分比为：1.2%≤C≤1.4%，0.7%≤Si≤0.9%，0.3%≤Mn≤0.5%，0.001%≤P≤0.005%，0.002%≤S≤0.006%，0.1%≤Ti≤0.3%，1.4%≤Cr≤1.6%，痕量≤B≤0.0018%，0.08%≤V≤0.12%，0.08%≤Cu≤0.12%，余量为铁及不可避免的杂质；
b、冲压步骤
将上述钢液铸造成坯料，坯料放置在冲压模具内，经过冲压和拉伸工艺制成消音箱毛坯；
c、将消音箱毛坯升温至550～625℃，同时以1.2-1.5L/min送入氨气，炉压控制在0.5-0.8Pa，然后进行盐浴淬火，盐浴处理温度为112-120℃，盐浴处理保温时间为0.8-1.2h，熔盐各成分重量比为：纯碱10-15份、氯化镁6-8份、碳酸铝8-10份、碳酸钾2.5-3.5份、石墨3.5-5.5份。
将消音箱毛坯升温至585℃，同时以1.3.5L/min送入氨气，炉压控制在0.65Pa，然后进行盐浴淬火，盐浴处理温度为116℃，盐浴处理保温时间为1h，熔盐各成分重量比为：纯碱12份、氯化镁7份、碳酸铝9份、碳酸钾3份、石墨4.5份。
本发明的制备方法使其利于大批量的工业化的生产，并减少了锻造过程中出现夹污、充不满的现象，产品的力学性能进一步改善，节约了产品用料，具有抗划伤的性能。
本发明的力学性能检测数据如下：
伸长率δ5(%)：≥11
断面收缩率ψ(%)：≥35
冲击功Akv(J)：≥33
冲击韧性值αkv(J/cm2)：≥32
硬度：≤30HB。
具体实施方式
一种耐划伤汽车消音箱的制备方法，包括以下步骤：
a、钢液制备
钢液中化学成分重量百分比为：1.2%≤C≤1.4%，0.7%≤Si≤0.9%，0.3%≤Mn≤0.5%，0.001%≤P≤0.005%，0.002%≤S≤0.006%，0.1%≤Ti≤0.3%，1.4%≤Cr≤1.6%，痕量≤B≤0.0018%，0.08%≤V≤0.12%，0.08%≤Cu≤0.12%，余量为铁及不可避免的杂质；
b、冲压步骤
将上述钢液铸造成坯料，坯料放置在冲压模具内，经过冲压和拉伸工艺制成消音箱毛坯；
c、将消音箱毛坯升温至585℃，同时以1.3.5L/min送入氨气，炉压控制在0.65Pa，然后进行盐浴淬火，盐浴处理温度为116℃，盐浴处理保温时间为1h，熔盐各成分重量比为：纯碱12份、氯化镁7份、碳酸铝9份、碳酸钾3份、石墨4.5份。

Claims (2)

1.一种耐划伤汽车消音箱的制备方法，其特征在于，包括以下步骤：
a、钢液制备
钢液中化学成分重量百分比为：1.2%≤C≤1.4%，0.7%≤Si≤0.9%，0.3%≤Mn≤0.5%，0.001%≤P≤0.005%，0.002%≤S≤0.006%，0.1%≤Ti≤0.3%，1.4%≤Cr≤1.6%，痕量≤B≤0.0018%，0.08%≤V≤0.12%，0.08%≤Cu≤0.12%，余量为铁及不可避免的杂质；
b、冲压步骤
将上述钢液铸造成坯料，坯料放置在冲压模具内，经过冲压和拉伸工艺制成消音箱毛坯；
c、将消音箱毛坯升温至550～625℃，同时以1.2-1.5L/min送入氨气，炉压控制在0.5-0.8Pa，然后进行盐浴淬火，盐浴处理温度为112-120℃，盐浴处理保温时间为0.8-1.2h，熔盐各成分重量比为：纯碱10-15份、氯化镁6-8份、碳酸铝8-10份、碳酸钾2.5-3.5份、石墨3.5-5.5份。
2.根据权利要求1所述耐划伤汽车消音箱的制备方法，其特征在于，将消音箱毛坯升温至585℃，同时以1.3.5L/min送入氨气，炉压控制在0.65Pa，然后进行盐浴淬火，盐浴处理温度为116℃，盐浴处理保温时间为1h，熔盐各成分重量比为：纯碱12份、氯化镁7份、碳酸铝9份、碳酸钾3份、石墨4.5份。
CN201510994877.1A 2015-12-28 2015-12-28 一种耐划伤汽车消音箱的制备方法 Pending CN105463312A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106319307A (zh) * 2016-11-14 2017-01-11 安徽名杰净化科技有限公司 一种抗扭空气净化器用风轮制备方法
CN106521307A (zh) * 2016-11-14 2017-03-22 安徽名杰净化科技有限公司 一种防裂空气净化器铸铁底座制备方法

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CN1800429A (zh) * 2004-11-24 2006-07-12 株式会社神户制钢所 超净弹簧钢
CN101591754A (zh) * 2009-07-01 2009-12-02 忠县一胜特工模材料有限公司 高强韧性低合金冷冲压模具钢和热化学处理工艺
CN201484173U (zh) * 2009-08-13 2010-05-26 孙福祥 一种汽车的消音装置
CN101805821A (zh) * 2010-04-17 2010-08-18 上海交通大学 钢材冲压成形一体化处理方法
CN103320710A (zh) * 2013-06-17 2013-09-25 唐山亿联盛轧辊有限公司 一种高韧性高速钢复合轧辊
CN103589991A (zh) * 2013-10-25 2014-02-19 沈阳建筑大学 一种不锈钢冷冲压模具的稀土渗钒方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1800429A (zh) * 2004-11-24 2006-07-12 株式会社神户制钢所 超净弹簧钢
CN101591754A (zh) * 2009-07-01 2009-12-02 忠县一胜特工模材料有限公司 高强韧性低合金冷冲压模具钢和热化学处理工艺
CN201484173U (zh) * 2009-08-13 2010-05-26 孙福祥 一种汽车的消音装置
CN101805821A (zh) * 2010-04-17 2010-08-18 上海交通大学 钢材冲压成形一体化处理方法
CN103320710A (zh) * 2013-06-17 2013-09-25 唐山亿联盛轧辊有限公司 一种高韧性高速钢复合轧辊
CN103589991A (zh) * 2013-10-25 2014-02-19 沈阳建筑大学 一种不锈钢冷冲压模具的稀土渗钒方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106319307A (zh) * 2016-11-14 2017-01-11 安徽名杰净化科技有限公司 一种抗扭空气净化器用风轮制备方法
CN106521307A (zh) * 2016-11-14 2017-03-22 安徽名杰净化科技有限公司 一种防裂空气净化器铸铁底座制备方法

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