JP2018158386A - 直接チル鋳造のためのプロセスおよび装置 - Google Patents
直接チル鋳造のためのプロセスおよび装置 Download PDFInfo
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- 238000005266 casting Methods 0.000 title abstract description 192
- 238000000034 method Methods 0.000 title abstract description 51
- 230000008569 process Effects 0.000 title abstract description 28
- 239000007789 gas Substances 0.000 abstract description 144
- 239000011261 inert gas Substances 0.000 abstract description 93
- 229910052751 metal Inorganic materials 0.000 abstract description 65
- 239000002184 metal Substances 0.000 abstract description 65
- 239000000155 melt Substances 0.000 abstract description 26
- 230000002349 favourable effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 112
- 239000002826 coolant Substances 0.000 description 91
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 41
- 239000003570 air Substances 0.000 description 38
- 239000001307 helium Substances 0.000 description 38
- 229910052734 helium Inorganic materials 0.000 description 38
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 38
- 229910052744 lithium Inorganic materials 0.000 description 36
- 238000004880 explosion Methods 0.000 description 34
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 31
- 239000012530 fluid Substances 0.000 description 31
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 30
- 229910052782 aluminium Inorganic materials 0.000 description 30
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 29
- 229910045601 alloy Inorganic materials 0.000 description 28
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- 229910000838 Al alloy Inorganic materials 0.000 description 14
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000001989 lithium alloy Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000002360 explosive Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
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- 238000001816 cooling Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
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- 238000012546 transfer Methods 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
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- 206010003497 Asphyxia Diseases 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229920004142 LEXAN™ Polymers 0.000 description 1
- 239000004418 Lexan Substances 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/049—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for direct chill casting, e.g. electromagnetic casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1248—Means for removing cooling agent from the surface of the cast stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/148—Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Mold Materials And Core Materials (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
Description
本願は、同時継続中の米国特許出願第61/760,323号(2013年2月4日出願)、国際出願番号PCT/US2013/041457号(2013年5月16日出願)、国際出願番号PCT/US2013/041459号(2013年5月16日出願)、国際出願番号PCT/US2013/041464号(2013年5月16日出願)、および、米国特許出願第61/908,065号(2013年11月23日出願)のより早い出願日の利益を主張し、それらの全ては、本明細書で参照によって援用される。
アルミニウムリチウム(Al−Li)合金の直接チル鋳造。
2LiAl+8H2O→2LiOH+2Al(OH)3+4H2(g)
(項目1)
システムであって、前記システムは、
融液含有容器を備える少なくとも1つの炉と、
前記少なくとも1つの炉に結合され、前記少なくとも1つの炉から溶融金属を受け取るように動作可能である中間鋳造生成物ステーションであって、前記中間鋳造生成物ステーションは、
鋳造ピットと、
本体を備える鋳造鋳型であって、前記本体は、前記本体を通る空洞を有する、鋳造鋳型と、
前記鋳造鋳型と関連付けられた冷却剤送給部と、
前記鋳造ピットに配置された少なくとも1つの移動可能プラテンと、
前記鋳造ピットの少なくとも上部周縁の周囲の排出ポートのアレイと、
前記鋳造ピットの少なくとも前記上部周縁の周囲のガス導入ポートのアレイと
を備える、中間鋳造生成物ステーションと、
前記冷却剤送給部への冷却剤または不活性流体の選択的流入を可能にする弁システムと、
不活性ガスを前記ガス導入ポートのアレイに供給するように動作可能な不活性ガス源とを備える、システム。
(項目2)
前記少なくとも1つの炉と前記融液含有容器との間に配置された少なくとも1つのフィルタをさらに備える、項目1に記載のシステム。
(項目3)
前記鋳造鋳型の前記本体は、前記冷却剤送給部と流体連通しているリザーバを備える、項目1に記載のシステム。
(項目4)
前記排出ポートのアレイは、前記鋳造ピットの中間部分の周縁、または、前記鋳造ピットの底部部分の周縁のうちの少なくとも一方の周囲の排出ポートのアレイをさらに備える、項目1に記載のシステム。
(項目5)
前記不活性ガス導入ポートのアレイは、前記鋳造ピットの中間部分、または、前記鋳造ピットの底部部分のうちの少なくとも一方の周囲の不活性ガス導入ポートのアレイをさらに備える、項目1に記載のシステム。
(項目6)
前記ガス導入ポートのアレイは、前記鋳造ピットの中間部分の周囲にあり、かつ、前記鋳造ピットの底部部分の周囲にある、項目5に記載のシステム。
(項目7)
前記ガス導入ポートのアレイは、前記鋳造鋳型におけるポートを含む、項目1に記載のシステム。
(項目8)
前記システムは、
前記滲出の発生を検出するための機構と、
前記滲出の検出に応じて、冷却剤の流動を修正するための機構と、
前記滲出の検出に応じて、前記プラテンの下向き移動を修正するための機構と
をさらに備える、項目1に記載のシステム。
(項目9)
前記鋳造ピットから流出する不活性ガスを収集し、前記収集された不活性ガスから水蒸気を除去し、かつ、前記不活性ガスを前記鋳造ピットに再循環させるための機構をさらに備える、項目1に記載のシステム。
(項目10)
前記排出ポートのアレイは、
前記鋳型の約0.3〜約0.5メートル下方に位置する第1のアレイと、
前記鋳型から約1.5〜約2.0メートルに位置する第2のアレイと、
前記鋳造ピットの底部に位置する第3のアレイと
を備える、項目1に記載のシステム。
(項目11)
前記システムは、
前記鋳造ピットから前記排出ポートを通して、発生させられたガスを持続的に除去するための機構と、
前記鋳造ピットの前記上部部分から水蒸気および任意の他のガスを吸引し、そのような混合物から水を持続的に除去し、かつ、滲出が検出されない場合には前記鋳造ピットの前記上部部分に任意の他のガスを再循環させるが、滲出が検出される場合には前記上側エリアから水蒸気および他のガスを完全に排出するための機構と
をさらに備える、項目1に記載のシステム。
(項目12)
前記不活性流体は、ヘリウムガスである、項目1に記載のシステム。
(項目13)
前記不活性流体は、ヘリウムガスおよびアルゴンガスの混合物である、項目1に記載のシステム。
(項目14)
前記不活性流体は、ヘリウムガスおよびアルゴンガスの混合物であり、前記混合物は、ヘリウムガスを少なくとも約20%含む、項目1に記載のシステム。
(項目15)
前記不活性流体は、ヘリウムガスおよびアルゴンガスの混合物であり、前記混合物は、ヘリウムガスを少なくとも約60%含む、項目1に記載のシステム。
(項目16)
項目1に記載のシステムを使用して作製されたリチウム−アルミニウム合金を含む中間鋳造生成物。
(項目17)
前記合金は、リチウムを約0.1%〜6%含む、項目16に記載の中間鋳造生成物。
(項目18)
前記合金は、100,000ポンド/平方インチ(「psi」)の引張強度、および、80,000psiの降伏強度の要件を満たす特性を備える、項目16に記載の中間鋳造生成物。
(項目19)
項目1に記載のシステムを使用して作製されたリチウム−アルミニウム合金を含む押出成形された生成物。
(項目20)
項目1に記載のシステムを使用して作製されたリチウム−アルミニウム合金を含む生成物であって、前記生成物は、航空機または自動車のための構成要素である、生成物。
(項目21)
溶融金属検出器を備えるシステムで生産されたアルミニウム−リチウム合金であって、前記溶融金属検出器は、直接チル鋳造と関連付けられた滲出または湯漏れを検出するように動作可能であり、そのような検出に応じて、(1)鋳造鋳型内への液体冷却剤の流動を減少させ、かつ、(2)不活性ガスを前記鋳造ピットに導入するように動作可能である、アルミニウム−リチウム合金。
(項目22)
前記鋳造鋳型内への前記液体冷却剤の流動の減少は、流量率ゼロまでの減少を含む、項目21に記載のアルミニウム−リチウム合金。
(項目23)
前記滲出または湯漏れの検出に応じて、前記システムは、前記鋳造鋳型と関連付けられた鋳造ピットにおけるプラテンの任意の移動を減少させるようにさらに動作可能である、項目21に記載のアルミニウム−リチウム合金。
(項目24)
前記滲出または湯漏れの検出に応じて、前記システムは、不活性ガスを前記鋳造鋳型に導入するように動作可能である、項目21に記載のアルミニウム−リチウム合金。
(項目25)
前記不活性ガスは、不活性ガスの混合物である、項目21に記載のアルミニウム−リチウム合金。
Claims (1)
- 本明細書に記載の発明。
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PCT/US2013/041459 WO2013173651A2 (en) | 2012-05-17 | 2013-05-16 | Process and apparatus for direct chill casting |
PCT/US2013/041457 WO2013173649A2 (en) | 2012-05-17 | 2013-05-16 | Process and apparatus for minimizing the potential for explosions in the direct chill casting of aluminum lithium alloys |
PCT/US2013/041464 WO2013173655A2 (en) | 2012-05-17 | 2013-05-16 | Apparatus for casting aluminum lithium alloys |
USPCT/US2013/041459 | 2013-05-16 | ||
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