TW400260B - Net shaped dies and molds and method for producing the same - Google Patents
Net shaped dies and molds and method for producing the same Download PDFInfo
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- TW400260B TW400260B TW086104840A TW86104840A TW400260B TW 400260 B TW400260 B TW 400260B TW 086104840 A TW086104840 A TW 086104840A TW 86104840 A TW86104840 A TW 86104840A TW 400260 B TW400260 B TW 400260B
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000012255 powdered metal Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910001315 Tool steel Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000531 Co alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- -1 oxidized money Chemical compound 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052735 hafnium Inorganic materials 0.000 claims 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims 1
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 229910052727 yttrium Inorganic materials 0.000 claims 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 1
- 238000001513 hot isostatic pressing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
- B22F3/1258—Container manufacturing
- B22F3/1291—Solid insert eliminated after consolidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
- B22F3/1258—Container manufacturing
- B22F3/1283—Container formed as an undeformable model eliminated after consolidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/003—Articles made for being fractured or separated into parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/007—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/031—Pressing powder with other step
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Forging (AREA)
Description
經濟部中央標準局員工消費合作杜印製 A7 —^___E___ 五'、發明説明（丨） 本發明有闘一種直接由粉末金屬製成模子和模具的製 造《根據本發明，該等模子傜藉將一特定形式且具有預定 模穴形狀之模型放置於一罐體内，且固定於該罐體内適當 位置而製成。然後該模型與該罐體之間的空間填滿一預定 粉末金屬’抽氣及密封。再以熱點均壓法（Η IP)用以壓實 該粉末金屬至全密度。該壓實體沿一適當平面的分離使該 模型可被移出，藉以露出形成於該壓實粉末金屬内之所需 , 楔穴。 目前模子之製造技術涉及該模子材質之鑄造錠，其必 須藉锟軋和/或鍛造以減少尺寸。這些步驟導致該材質顯 著的降伏損失旦由於其粗糙的顯微組織，産生較不理想的 機械特性。在锟軋或鍛造之後，必須在該模子上加工該穴 。這是一非常耗費時間及人工的製程，其導致相當的費用 和額外浪費的物料。 本發明傺一種製造模子和模具之方法以於其後使用在 成形零件的製造，例如藉模鑄、射出成形及其類似方式。 該方法包括以下步驟：提供一具有預定形狀以界定一加工 模子或模具凹穴輪廓的模型；將該模型放置於一罐體内； 在該罐體的區間内填滿一預定粉末金屬以環繞於該模型.； 藉熱及壓力的應用熱點均等壓該罐體及粉末金屬以壓實及 密實環繞於該模型的該粉末金屬；及將該罐體及已密實金 屬沿一平面拆分開來以移出該模型，且藉此在該等密實金 屬段内設置該預定模穴。 於圖式中： -4 - 本紙張尺度適用中國國家標準（CNS ) A4規格（210'乂297公釐) ' ： (#先聞讀背面之注意事項再填寫本頁)
經濟部令央標準局員工消費合作社印製 A7 B7 五、發明k·明（2 ) 第一圖傜根據本發明剖過一罐體的中心線之橫剖圖·， 顯示該模型，其中該模型與罐體之間的空間填滿粉末； 第二圔係第一圔之罐體在熱點均壓法後的圖式，其顯 示剖面線； 第三圖傜將第一、二圖的模型移開之模子的圔式·，及 第四圖傺一壓實模子在分離之後之透視圖，其顯示在 本發明的方法所使用的模型及分隔板。 圖號説明： 1.. .填注/抽氣管 2 ...罐體的頂部 4 ...模型 5 ...氧化釔 6 ...粉末 7 ...開口 8 ...底段 9 ...定位點熔接 10 ...罐體 11.. .分隔板 12...模型 13...罐體 一種實施本發明之方法如第一圖所示，渉及藉傳統加 工技術製造一鋼模型4。此模型具有最終模子之預定模穴 的尺寸及形狀。該模型藉定位點鎔接9固定於該罐體8的 底部。一氧化釔5的被覆施加於該模型4的表面。在一分 離作業中，該填注/抽氣管1、該罐體10的頂部2及中心 部被鎔接一起。此總成再鎔接於該罐體之底段8。 該預定模子材質的粉末再經由該填注/抽氣管1上的 開口 7注入該罐體内。該粉末6在此例中偽M4工具鋼且填 滿該模型與罐體内表面之間的空間。空氣經由該填注/抽 氣管1自該罐體抽出，而後將該管鎔接封閉。然後納置該 模型及粉末的該罐體在2175T，15.000PSI之壓力下進行 熱點均壓五小時。此過程壓實該粉末以産生一環繞於該模 -5 - 本纸張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (讀先聞讀背面之注意事項再填寫本頁)
五、 經濟部中央標準局員工消費合作杜印製 發明k明（> ) 型的固態壓實體。 為移出該模型，該壓實罐體以帶鋸機切割如第二圔所 顯示。在該等模型兩半部自該壓實體移開後，該預定模穴 即可顯露，見第三圔。 本發明之較佳實施例如第四圖所示。在本實施例中.， —分隔板11置於該模型4兩半部之間。例如，該分隔板11 可為1/2英寸厚的磺鋼。該分隔板僳與該模型12—體成型 或以定位點熔接於該模型12。該模型在每侧略大於該分隔 板以配合該分隔板的厚度。裝配在一起之該模型與分隔板 被覆一分模劑如氮化硼而後再定位於該罐體13内侧。定位 點熔接或機械繫結件使用以附著該模型/分隔板於該罐體 内。該罐體再熔接封閉，形成一填注管。在本案中，H13 粉末經由該填注管裝瑱入該罐體再進行該罐體的抽氣及.密 封。在2175°下以15, OOOPSI熱點均壓五小時使該粉末壓 實成一固體。 該模型的移出傜藉切削或滾磨該罐體的邊緣以將該分 隔板的邊緣顯露出來。然後該等模子半部自該模型及分隔 板分離出。該模型總成可再被使用以製造其他的模子及模 具。 以上所述偽為目前較佳方法，然而有多種變化對於熟 悉此技藝人士條顯而易知者。這些包括，但非限制於，改 變該模子的粉末材質。此選擇很明顯地將藉由最終之模子 或模具所需之待性所決定。典型之材質大體上分類為工具 綱、鎳合金、鈷合金及銅合金者可以使用。該壓賁之參數 -6 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ----,---.----裝-----r I 訂-----線 (諳先聞讀背面之注意寧項再填寫本頁) A7 B7 五、發明説明（斗） 則以所使用的合金來作選擇。 此用以製造該等模型之技術亦可包括鍛造、鑄造或預 定的^層燒結。此亦可使用先前藉本發明製成之模子所模 製的零件。 目前氧化釔已被應用在模型似作為一釋放被覆，以防 止該粉末在該壓實過程期間與該模型結合。釋放劑或擴散 遮斷體的其他選擇可具有相等的效果。這些包括氧化鋁、 氧化結、二氣化矽、氧化_、氧化鈦、氧化钍.、碳化鈦、 氮化鈦及氮化硼。亦可在該模型上藉對該模型在氧化或氮 化的環境下進行熱處理以産生一釋放層。 然而本發明之特定實施例已予以詳細描述，熟於此技 藝者當可認知到對該等細節的各種修飾及變化可根據本發 明掲露内容的整個説明而得以發展。於此所述之較佳實施 例乃僅用以説明而非作為本發明範靨的限制，本發明範圍 傜以後附之全部申請專利範圍及任何所有其等效物予以決 定。' ：....丨.--------^—、訂-----·線 (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐）
Claims (1)
- 經濟部中央標準局員工消費合作杜印製 A8 B8 C8 D8 申請4利範圍 1 · 一種製造模子和模具之方法包括以下步驟： 提供一具有預定形狀以界定一模穴的模型； 提供一具有一中空内部的罐體； 將該模型放置於該罐體之中空内部内； 將該罐體瑱滿一粉末金屬以環繞該模型； .熱點均壓該罐體以壓實及密實該粉末金屬；及 將該被壓實及密實的粉末金屬拆分開來以容許移開該 模型，藉以提供一模穴。 2 ·如申請專利範圍第1項的方法包括在該填滿步驟之後， 自該罐體抽出空氣的步驟，以及在該抽氣步驟之後且在 該熱點均壓步驟之前密封該罐體（如藉熔接）的步驟。 3 ·Ν如申請專利範圍第1項的方法包括在該放置步驟之前提 供一圍繞該模型之平板的步驟，該板自該模型向外延伸 至該罐體，藉以在該均壓步驟之後藉該板産生〜分隔線 4.如申請專利範圍第丨項的方法包括將該模型被覆一釋放 劑，以防止該金屬粉末在該熱點均壓步驟期間與該模型 結合。 5 .如申請專利範圍第4項的方法，其中該釋放劑傜從以下 所組成的組群所選出之一：氣化釔、氧化鋁、氧化錯、 二氧化矽、氧化錢、氧化鈦、氧化钍、化鈦、氮化鈦 及氮化硼。 6 ·如申請專利範圍第4項的方法，其中該釋放劑偽藉在氣 化或氮化之環境中熱處理該模型所産生。 7 .如申請專利範圍第丨項的方法，其中該熱點均壓步驟傜 良紙敌尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ---'--^-------J---装-----【--訂-----線 (詩先閔讀寞之注意事項再填寫本頁) 經濟部中央標率局員工消費合作社印製 A8 B8 C8 D8六、申請‘利範圍· 在一約為15 , OOOPS I的壓力及約為2175 °F的溫度實施約 五小時。 8.如申請專利範圍第1項的方法，其中該金屬粉末偽一用 為模子材質之金屬粉末，其傜由工具鋼、鎳合金、鈷合 金及銅合金所組成的組群中所選出之一材質。 9 . 一種製造模子和模具之方法包括以下步驟： 提供一具有預定形狀以界定一模子或模具凹穴其一的 模型； 提供一具有一中空内部的罐體； 將該模型放置於該罐體之中空内部内且將該楔型固定 於該罐體； .在該模型上被覆一層氧化釔； 將該罐體填滿一M4工具綱以填滿該模型與該罐體内表 面之間的空間； 自該罐體抽出空氣；· 藉鎔接密封已被抽氣之該罐體；. 藉在15,000PSI的壓力及2175°F的溫度下熱點均壓該 罐體及其容納之粉末五小時，以壓實且密實該M4工具鋼 粉末；及 將已壓實及密實的粉末金屬拆分開來及移出該模型以 提供一模穴。 10.如申請專利範圍第9項的方法，包括在該放置步驟之前 提供一圍繞該模型之平板的步驟，該板自該模型向外延 伸至該罐體，藉以在該均壓步驟之後藉該板産生一分隔 (請先閔讀背面之注意事項再填寫本頁) -----ml J--51 —-~裝- 訂 線_ 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） A8 B8 C8 D8 申請專利範園· 線。 11. 一種模子或模具包括一模組，該模組係由熱點均壓之 粉末金屬所製成，且具有一模穴，該模穴傜在該熱點.均 壓作業期間形成一預定形狀。 12 .如申請專利範圍第11項之模子或模具，其中該粉末金 屬傜自一由工具鋼、鎳合金、鈷合金及銅合金所組成的 組群所選出之一種金屬。 13 .如.申請專利.範圍第11項之模子或模具，其中該粉末金 屬傷一 M4工具鋼。 ‘ 丨,—-----裝-----r丨訂-----φ線. (請先閔讀背面之注意事項再填寫本頁) 經濟部中央槺準局員工消費合作社印製 10 - )A4規格（210^^^y
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| TW086104840A TW400260B (en) | 1996-04-15 | 1997-04-30 | Net shaped dies and molds and method for producing the same |
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| US (1) | US5956561A (zh) |
| EP (1) | EP0963267A4 (zh) |
| JP (1) | JP2001501254A (zh) |
| KR (1) | KR100502986B1 (zh) |
| CA (1) | CA2250955C (zh) |
| TW (1) | TW400260B (zh) |
| WO (1) | WO1997040777A2 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6120570A (en) * | 1996-02-14 | 2000-09-19 | Smith International | Process for manufacturing inserts with holes for clamping |
| SE511587C2 (sv) * | 1997-07-08 | 1999-10-25 | Sandvik Ab | Sätt att tillverka skär med hål för fastspänning |
| DE10146986A1 (de) * | 2001-09-24 | 2003-04-10 | Schott Glas | Verfahren zur Herstellung von mikrostrukturierten Prägewerkzeugen |
| US20040151611A1 (en) * | 2003-01-30 | 2004-08-05 | Kline Kerry J. | Method for producing powder metal tooling, mold cavity member |
| FR2851944B1 (fr) * | 2003-03-04 | 2006-09-15 | Phenix Systems | Procede de fabrication d'empreintes metalliques de moule par frittage de poudres ceramiques et metalliques |
| US7270679B2 (en) * | 2003-05-30 | 2007-09-18 | Warsaw Orthopedic, Inc. | Implants based on engineered metal matrix composite materials having enhanced imaging and wear resistance |
| US7694608B2 (en) * | 2005-12-20 | 2010-04-13 | Smith International, Inc. | Method of manufacturing a matrix body drill bit |
| US7842639B2 (en) * | 2006-05-19 | 2010-11-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds |
| GB0805250D0 (en) * | 2008-03-20 | 2008-04-30 | Advanced Interactive Materials | Stator for use in helicoidal motor |
| GB0805242D0 (en) * | 2008-03-20 | 2008-04-30 | Advanced Interactive Materials | Net-shape or near net-shape powder isostatic pressing process |
| GB0807008D0 (en) * | 2008-04-17 | 2008-05-21 | Advanced Interactive Materials | Helicoidal motors for use in down-hole drilling |
| GB0922488D0 (en) * | 2009-12-23 | 2010-02-03 | Advanced Interactive Materials | Improvements in or relating to hot isostatic pressing |
| KR101304149B1 (ko) * | 2010-09-27 | 2013-09-05 | (주)엘지하우시스 | 3차원 패턴 형성용 성형 몰드 및 이를 이용한 가전제품 외장재 제조 방법 |
| US9120150B2 (en) * | 2011-12-02 | 2015-09-01 | Ati Properties, Inc. | Endplate for hot isostatic pressing canister, hot isostatic pressing canister, and hot isostatic pressing method |
| US10046392B2 (en) * | 2015-03-04 | 2018-08-14 | The Boeing Company | Crack-free fabrication of near net shape powder-based metallic parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US31355A (en) * | 1861-02-05 | Chttbjst | ||
| CA990106A (en) * | 1972-03-27 | 1976-06-01 | Joseph M. Wentzell | Methods and apparatus for consolidating powder |
| BE792887A (fr) * | 1972-06-15 | 1973-06-15 | Crucible Inc | Procede et ensemble de fabrication de matrices |
| USRE31355E (en) * | 1976-06-03 | 1983-08-23 | Kelsey-Hayes Company | Method for hot consolidating powder |
| US4233720A (en) * | 1978-11-30 | 1980-11-18 | Kelsey-Hayes Company | Method of forming and ultrasonic testing articles of near net shape from powder metal |
| DE3132141C1 (de) * | 1981-08-14 | 1982-12-16 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verfahren zum Herstellen von Sinterteilen grosser Gennauigkeit |
| US4492737A (en) * | 1982-03-05 | 1985-01-08 | Rolls-Royce Limited | Composite metallic and non-metallic articles |
| US5130084A (en) * | 1990-12-24 | 1992-07-14 | United Technologies Corporation | Powder forging of hollow articles |
| US5308556A (en) * | 1993-02-23 | 1994-05-03 | Corning Incorporated | Method of making extrusion dies from powders |
| US5435824A (en) * | 1993-09-27 | 1995-07-25 | Crucible Materials Corporation | Hot-isostatically-compacted martensitic mold and die block article and method of manufacture |
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1997
- 1997-04-15 JP JP09538944A patent/JP2001501254A/ja not_active Ceased
- 1997-04-15 US US08/983,149 patent/US5956561A/en not_active Expired - Lifetime
- 1997-04-15 CA CA002250955A patent/CA2250955C/en not_active Expired - Fee Related
- 1997-04-15 KR KR10-1998-0708264A patent/KR100502986B1/ko not_active IP Right Cessation
- 1997-04-15 WO PCT/US1997/006334 patent/WO1997040777A2/en active IP Right Grant
- 1997-04-15 EP EP97921218A patent/EP0963267A4/en not_active Withdrawn
- 1997-04-30 TW TW086104840A patent/TW400260B/zh not_active IP Right Cessation
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| EP0963267A4 (en) | 2004-04-14 |
| US5956561A (en) | 1999-09-21 |
| WO1997040777A2 (en) | 1997-11-06 |
| JP2001501254A (ja) | 2001-01-30 |
| CA2250955C (en) | 2004-07-20 |
| WO1997040777A3 (en) | 1997-12-11 |
| CA2250955A1 (en) | 1997-11-06 |
| EP0963267A1 (en) | 1999-12-15 |
| KR100502986B1 (ko) | 2005-10-05 |
| KR20000064930A (ko) | 2000-11-06 |
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