CN106637051A - 一种钛金属封头的制备工艺 - Google Patents

一种钛金属封头的制备工艺 Download PDF

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Publication number
CN106637051A
CN106637051A CN201510738394.5A CN201510738394A CN106637051A CN 106637051 A CN106637051 A CN 106637051A CN 201510738394 A CN201510738394 A CN 201510738394A CN 106637051 A CN106637051 A CN 106637051A
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China
Prior art keywords
carburizing
temperature
gas
titanium alloy
titanium
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CN201510738394.5A
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季振宽
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Qingdao Xusheng Head Co Ltd
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Qingdao Xusheng Head Co Ltd
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Priority to CN201510738394.5A priority Critical patent/CN106637051A/zh
Publication of CN106637051A publication Critical patent/CN106637051A/zh
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20Carburising

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

本发明涉及一种钛金属封头的制备工艺,其特征在于:采用钛合金气体渗碳,将渗碳气体乙炔在高温下裂解形成活性碳原子,利用碳原子在钛合金表面扩散进行的,渗碳温度控制在1500℃,渗碳时间为2.5h,得到的渗碳层厚度为300μm。本发明的特点是:在加热之前及加热过程中应始终保持工件清洁和无污染,制造简便、重量轻,产成本低;综合力学性能、耐磨耐蚀性、耐高温。

Description

一种钛金属封头的制备工艺
技术领域
本发明属于机械领域,一种钛金属封头的制备工艺。
背景技术
封头大部分采用旋压还是冲压,加热还是不加热,加热温度多少为宜以及成形后的封头是否需要进行热处理,应根据具体情况而定,如材料性能状态、封头规格、冷作硬化程度以及设备能力条件等。在加热之前及加热过程中清洁不到位。污染环境成品率不高,生产效率低,无法实现大规模工业化生产,使得这种很有前途的轴承材料的应用受到了限制。
发明内容
本发明的目的就是针对现有技术存在的缺陷,发明一种钛金属封头的制备工艺,其特征在于:采用钛合金气体渗碳,将渗碳气体乙炔在高温下裂解形成活性碳原子,利用碳原子在钛合金表面扩散进行的,渗碳温度控制在1500℃,渗碳时间为2.5h,得到的渗碳层厚度为300μm。试验设备高温真空渗碳炉组成:气体、循环泵、循环水、特种合金板、加热器、真空泵。该渗碳炉采用钼靶作为加热源,温度可以加热到1900℃。采用普通的机械泵进行抽真空,真空度可以达到12-1Pa。
本发明的特点是:在加热之前及加热过程中应始终保持工件清洁和无污染,制造简便、重量轻,产成本低;综合力学性能、耐磨耐蚀性、耐高温。
具体实施方式
一种钛金属封头的制备工艺,其特征在于:采用钛合金气体渗碳,将渗碳气体乙炔在高温下裂解形成活性碳原子,利用碳原子在钛合金表面扩散进行的,渗碳温度控制在1500℃,渗碳时间为2.5h,得到的渗碳层厚度为300μm。试验设备高温真空渗碳炉组成:气体、循环泵、循环水、特种合金板、加热器、真空泵。该渗碳炉采用钼靶作为加热源,温度可以加热到1900℃。采用普通的机械泵进行抽真空,真空度可以达到12-1Pa。
另外,本发明已经示出和描述了实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。

Claims (1)

1.一种钛金属封头的制备工艺,其特征在于:采用钛合金气体渗碳,将渗碳气体乙炔在高温下裂解形成活性碳原子,利用碳原子在钛合金表面扩散进行的,渗碳温度控制在1500℃,渗碳时间为2.5h,得到的渗碳层厚度为300μm。试验设备高温真空渗碳炉组成:气体、循环泵、循环水、特种合金板、加热器、真空泵。该渗碳炉采用钼靶作为加热源,温度可以加热到1900℃。采用普通的机械泵进行抽真空,真空度可以达到12-1Pa。
CN201510738394.5A 2015-11-04 2015-11-04 一种钛金属封头的制备工艺 Pending CN106637051A (zh)

Priority Applications (1)

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CN201510738394.5A CN106637051A (zh) 2015-11-04 2015-11-04 一种钛金属封头的制备工艺

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CN201510738394.5A CN106637051A (zh) 2015-11-04 2015-11-04 一种钛金属封头的制备工艺

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CN106637051A true CN106637051A (zh) 2017-05-10

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