TW533245B - Method of bright annealing metals having a high affinity to oxygen - Google Patents

Method of bright annealing metals having a high affinity to oxygen Download PDF

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Publication number
TW533245B
TW533245B TW088116817A TW88116817A TW533245B TW 533245 B TW533245 B TW 533245B TW 088116817 A TW088116817 A TW 088116817A TW 88116817 A TW88116817 A TW 88116817A TW 533245 B TW533245 B TW 533245B
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Taiwan
Prior art keywords
gas
item
patent application
scope
bright
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TW088116817A
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English (en)
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Peter Ebner
Heribert Lochner
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Peter Ebner
Heribert Lochner
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/663Bell-type furnaces
    • C21D9/667Multi-station furnaces
    • C21D9/67Multi-station furnaces adapted for treating the charge in vacuum or special atmosphere
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Furnace Details (AREA)

Description

533245 A7 五、發明說明(1·) 1·發明簌轉 本發明係關於一種在機罩式熱溶爐或其他類似設備 中,且在保護性氣體下進行高抗氧化明亮勃煉金屬之方法。 習知之技街之激诚 中合金鋼至高合金鋼、不含鐵之金屬及具高抗氧化如 鉻、錳、矽、鈦等成分之一般不容易明亮韌煉之金屬,為 了在鑄造後能夠重組其結構或使其微粒結構再結晶,目前 都將其加熱處理。這種方式通常是在不具有密閉之底層結 構的機罩式熱熔爐中完成,在此係使用氳氣或氫與氮的混 合氣體作為保護性氣體。但是,由於殘餘的氧氣會與熱熔 爐中底層結構之隔離結構接觸,藉由氫氣傳送至欲處理之 材料處,例如條狀金屬捲。由於與氧氣發生反應,氫氣藉 時就會乳化欲勃煉之材料表面,而在保護性氣體内之殘餘 氧氣也會與欲韌煉之材料表面產生反應,導致韌煉過程上 進一步之缺失。 如果使用的是具密閉式底層結構之機罩式熱熔爐時, 韌煉可在最低之露點下完成,但仍可預見,令人不安之氧 化殘留物依然存在於欲韌煉之材料之金屬表面。 最後,還原性且純度極高之氫氣可能會對勃煉箱之氧 化物產生還原性侵蝕,亦即其會對如底層結構之熱阻鋼材 結構、保護用之機罩、底層結構之風扇、分配器以及各種 存在之量規之氧化物產生還原性侵蚀,且可將反應後產生 之水氣傳送至欲韌煉之材料處。例如,將欲韌煉之材料以 薄膜綑包,或以不具高抗氧化元素之鋼鐵帽覆蓋,如此欲 ‘紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ii dm (請先閱讀背面之注意事項再填寫本頁) 訂·:--------線_ 經濟部智慧財產局員工消費合作社印製 533245 A7 五、發明說明(2·) 韌煉之材料之殘留污點亦不能完全消除。 此外,於前述之鑄造操作中之潤滑___ 存在於_煉之材料表面,此潤_殘餘物:匕 種乳狀液,其在加熱過程中會蒸敎與 认韌煉讀料麵產纽應。即使藉祕 體,亦無法避免產生殘留之污點。 β氣 發明大綱 因此本發明之目的係在於提出一種如上所述之方法, 其能夠除去欲韌煉之材料表面的缺點。 本發明之目的係藉由使用純度極高之惰性氣體,如氨、 氧或氦氣作為保護性氣體,並同時與氧化劑,最好是欽, 結合使用來完成。 藉在動煉箱内使用上述之保護性氣體及氧化劑,則可 抑氧氣細,如-氧化碳、二氧化碳、核氧氣之反應, 而廷樣的反應就包含了欲祕材料之氧化物或冷點之形 成此外’此反應亦可藉由將氧氣及氧氣載體從勃煉箱之 熱阻材料傳送至欲韌煉材料處而加以抑制。 使用氮氣作為惰性氣體只可用於限定之範圍,因為在 欲勃煉之材料表面也許會與不同之金屬產生不想要之氮化 作用。 、如果要將被殘留之潤滑劑所污染之金屬加以明亮韌 煉’首先需將潤滑劑在保護性氣體下蒸發,該保護性氣體 ,,不易作用或惰性氣體,如氮氣,及/或還原性氣體,如 氫氣’且在隨後之明亮韌煉過程中,純度極高之惰性氣體,
使用 533245 五、發明說明(3, 其與容積百分比不超過百分之五十之還原性氣體加以混合 以作為保護佩體’並且_與氧化劑,最好是鈥 ’結合 、蒸發附著於材料表面之殘留珊_過程可在明亮勃 煉中所使$之保護性氣體或保護性氣體之混合氣體下 完成、,因為蒸發潤滑劑係在較低溫下進行,所以不會產生 擾人之材貝表面污點。在潤滑劑蒸發後,可藉由更換保護 性氣體來繼續熱處理。 " 丨 I — — — 1 — — — — I (請先閱讀背面之注意事項再填寫本頁) 訂··--------整 經濟部智慧財產局員工消費合作社印製 尺度適用中挪公愛) -7-

Claims (1)

  1. 533245
    經濟部智慧財產局員工消費合作、社印製
    h 一種高抗氧化之明亮韌煉金屬之方法,其係為在一機罩 式熱熔爐或其他類似設備中,且在保護性氣體下進行之 高抗氧化之明亮韌煉金屬之方法,其徵為,使用純度 極高之惰性氣體作為保護性氣體,並且同時與氧化劑結 合使用。 2·根據申請專利範圍第1項所述之方法,其特徵為,該純 度極高之惰性氣體係為氬、氖或氦氣。 3·根據申請專利範圍第1項所述之方法,其特徵為,該氧 化劑係為鈦。 4·根據申請專利範圍第1項所述之方法,其特徵為,為了 明冗韌煉雙殘留潤滑劑污染之金屬,首先需將潤滑劑在 保遵性氣體下蒸發,該保護性氣體包含惰性氣體及/或還 原性氣體,且在隨後之明亮韌煉過程中,純度極高之惰 =氣體,其與容積百分比不超過百分之五十之還原性氣 體加以混合以作為保護性氣體,並且同時與氧化劑結合 使用。 •根據申請專利範圍第4項所述之方法,其特徵為,該惰 性氣體係為氮氣,而該還原性氣體係為氫氣。 根據申請專利範圍第4項所述之方法,其特徵為,該氧 化劑係為鈦。
    I HI ------I — I.-------- Γ請先聞讀背面之注意事項再填寫本頁)
TW088116817A 1998-10-05 1999-09-30 Method of bright annealing metals having a high affinity to oxygen TW533245B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0166298A AT407262B (de) 1998-10-05 1998-10-05 Verfahren zum blankglühen von eine hohe affinität zu sauerstoff aufweisenden metallen

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US (1) US6210499B1 (zh)
EP (1) EP0992590A1 (zh)
JP (1) JP2000109934A (zh)
KR (1) KR20000028808A (zh)
AT (1) AT407262B (zh)
TW (1) TW533245B (zh)
ZA (1) ZA996180B (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608983B (zh) * 2009-07-23 2011-05-18 攀钢集团钢铁钒钛股份有限公司 钛材及钛合金化学分析样品的制备方法及制备装置
CN116377355A (zh) * 2023-01-30 2023-07-04 安徽赛丽金属科技有限公司 一种铜丝退火、回火设备

Family Cites Families (14)

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JPS5292813A (en) * 1976-01-30 1977-08-04 Niigata Engineering Co Ltd Heat treatment of titanium and titanium alloy
DE2921593C2 (de) * 1979-05-28 1984-02-02 Gränges Nyby AB, Nybybruk Verfahren und Vorrichtung zum Weiterzerkleinern von hydriertem, grobstückigem Material, insbes. Schrott aus Titan oder dessen Legierungen
JPS6044395B2 (ja) * 1982-11-15 1985-10-03 新日本製鐵株式会社 方向性珪素鋼板用焼鈍分離剤
JPS6311616A (ja) * 1986-06-30 1988-01-19 Mitsubishi Heavy Ind Ltd 鋼の熱処理における変色防止法
US4744837A (en) * 1987-01-13 1988-05-17 Air Products And Chemicals, Inc. Bright annealing of stainless steels
US4813654A (en) * 1987-11-09 1989-03-21 Lee Wilson Engineering Company, Inc. Annealing furnace base construction
DD275707A1 (de) * 1988-09-26 1990-01-31 Bke Hermann Matern Veb Verfahren zur minimierung von kohlenstoffhaltigen belaegen beim gluehen von festbunden
FR2653448B1 (fr) * 1989-10-20 1992-01-10 Air Liquide Procede d'elaboration d'une atmosphere de traitement de metaux.
DE4121277C2 (de) * 1991-06-27 2000-08-03 Ald Vacuum Techn Ag Vorrichtung und Verfahren zur selbsttätigen Überwachung der Betriebssicherheit und zur Steuerung des Prozeßablaufs bei einem Vakuum-Wärmebehandlungsofen
US5284526A (en) * 1992-12-22 1994-02-08 Air Products And Chemicals, Inc. Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen
DE4336771A1 (de) * 1993-10-28 1995-05-04 Loi Ind Ofenanlagen Verfahren zum Glühen von Glühgut sowie zugehöriger Glühofen
US5441581A (en) * 1994-06-06 1995-08-15 Praxair Technology, Inc. Process and apparatus for producing heat treatment atmospheres
JP2726242B2 (ja) * 1994-06-07 1998-03-11 日新製鋼株式会社 雰囲気設備の入口または出口のシール装置
US5772428A (en) * 1996-02-09 1998-06-30 Praxair Technology, Inc. Method and apparatus for heat treatment including H2 /H2 O furnace region control

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US6210499B1 (en) 2001-04-03
JP2000109934A (ja) 2000-04-18
KR20000028808A (ko) 2000-05-25
ATA166298A (de) 2000-06-15
EP0992590A1 (de) 2000-04-12
ZA996180B (en) 2000-04-10
AT407262B (de) 2001-02-26

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