JP6635227B1 - 三次元形状造形物の製造方法 - Google Patents
三次元形状造形物の製造方法 Download PDFInfo
- Publication number
- JP6635227B1 JP6635227B1 JP2019519427A JP2019519427A JP6635227B1 JP 6635227 B1 JP6635227 B1 JP 6635227B1 JP 2019519427 A JP2019519427 A JP 2019519427A JP 2019519427 A JP2019519427 A JP 2019519427A JP 6635227 B1 JP6635227 B1 JP 6635227B1
- Authority
- JP
- Japan
- Prior art keywords
- powder
- layer
- mixed
- base plate
- shaped object
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 76
- 239000000843 powder Substances 0.000 claims abstract description 364
- 239000011812 mixed powder Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 230000001678 irradiating effect Effects 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 238000005245 sintering Methods 0.000 claims description 20
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 23
- 230000007547 defect Effects 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 185
- 238000003860 storage Methods 0.000 description 37
- 239000002245 particle Substances 0.000 description 14
- 238000010894 electron beam technology Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 101001139126 Homo sapiens Krueppel-like factor 6 Proteins 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- -1 4.5 to 5.5 wt% Co Substances 0.000 description 1
- 101000710013 Homo sapiens Reversion-inducing cysteine-rich protein with Kazal motifs Proteins 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Images
Classifications
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/12—Metallic powder containing non-metallic particles
-
- 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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
Description
図1、図2は、本発明を実施するための実施の形態1に係る三次元形状造形物の製造方法に用いられる製造装置の概略構成を示す断面図である。図1は、粉末層を形成する工程を説明するための図であり、図2は、ビームを照射する工程を説明するための図である。
図8は、本発明を実施するための実施の形態2に係る三次元形状造形物の製造方法に用いられる製造装置の概略構成を示す断面図である。以下では、実施の形態1と同様である点の説明を省略し、異なる点を中心に説明する。本実施の形態に係る三次元形状造形物3の製造方法では、造形物形成部30を挟んで両側に第1粉末貯蔵部10と第2粉末貯蔵部22が設けられた製造装置110を用いた。
図9は、本発明を実施するための実施の形態3に係る三次元形状造形物の製造方法に用いられる製造装置の概略構成を示す断面図である。以下では、実施の形態1と同様である点の説明を省略し、異なる点を中心に説明する。本実施の形態に係る三次元形状造形物の製造方法では、第1粉末貯蔵部10の上部に第1粉末1及び第2粉末2が予め混合された混合粉末4が収容された製造装置120を用いた。
本発明を実施するための実施の形態4に係る三次元形状造形物の製造方法について説明する。以下では、実施の形態1と同様である点の説明を省略し、異なる点を中心に説明する。本実施の形態では、混合粉末4の各層ごとに焼結又は溶融固化に必要なエネルギー密度に応じてビームEを照射する。
Claims (2)
- 三次元形状造形物の原料である第1粉末を、ベースプレートを土台として積層する三次元形状造形物の製造方法であって、
下記式(1)及び下記式(2)を満たすように、前記第1粉末と異なる組成を有し、前記ベースプレートと同一の組成を有する理論密度D2(g/cm3)の第2粉末を、前記第2粉末が配置された第2粉末テーブル及び造形テーブルを上又は下方向に移動させて、前記ベースプレート上に均し板の水平方向の移動により前記第2粉末を移動させて厚さt2(μm)の第2粉末の層を形成し、
理論密度D1(g/cm3)の前記第1粉末を、前記第1粉末が配置された第1粉末テーブル及び前記造形テーブルを上又は下方向に移動させて、前記第2粉末の層上に前記均し板の水平方向への移動により前記第1粉末を移動させて厚さt1(μm)の第1粉末の層を形成し、
前記第1粉末及び前記第2粉末が、それぞれ混合比率m1(wt%)及び混合比率m2(wt%)で混合された厚さtd(μm)の前記第1粉末及び前記第2粉末から構成される混合粉末の層を形成する混合粉末形成ステップと、
形成された前記混合層中の前記第1粉末の混合比率よりも、新たに積層される次の層の前記第1粉末の混合比率が大きくなるように、前記第1粉末及び前記第2粉末の供給量を調整し、前記混合粉末形成ステップ及び前記混合層形成ステップを所定の回数繰り返して前記混合層を積層するステップと、
積層された前記混合層上に、前記第1粉末の層を形成してビームを照射することにより焼結又は溶融して固化させる工程を繰り返し行い、前記三次元形状造形物を形成する造形物形成ステップと、
前記三次元形状造形物から前記混合層を切除する混合層切除ステップと
を備えることを特徴とする三次元形状造形物の製造方法。 - 前記第1粉末は、鉄ニッケル合金、チタン、タングステン、セラミックスの少なくともいずれかで構成されることを特徴とする請求項1に記載の三次元形状造形物の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018038563 | 2018-03-05 | ||
JP2018038563 | 2018-03-05 | ||
PCT/JP2018/044870 WO2019171689A1 (ja) | 2018-03-05 | 2018-12-06 | 三次元形状造形物の製造方法及びその製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6635227B1 true JP6635227B1 (ja) | 2020-01-22 |
JPWO2019171689A1 JPWO2019171689A1 (ja) | 2020-04-16 |
Family
ID=67845994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019519427A Expired - Fee Related JP6635227B1 (ja) | 2018-03-05 | 2018-12-06 | 三次元形状造形物の製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6635227B1 (ja) |
WO (1) | WO2019171689A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116504742A (zh) * | 2023-06-21 | 2023-07-28 | 青岛泰睿思微电子有限公司 | 半导体封装用框架及其制作方法、以及封装方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020195405A1 (ja) * | 2019-03-26 | 2020-10-01 | 日本鋳造株式会社 | 低温安定性に優れる低熱膨張合金およびその製造方法 |
KR102345951B1 (ko) | 2019-03-26 | 2021-12-30 | 니폰추조 가부시키가이샤 | 저온 안정성이 우수한 저열팽창 합금 및 그의 제조 방법 |
JP7261728B2 (ja) * | 2019-11-28 | 2023-04-20 | 日本鋳造株式会社 | 低熱膨張合金およびその製造方法 |
EP4074434A4 (en) * | 2019-12-13 | 2022-12-21 | Mitsubishi Electric Corporation | ALLOY, WIRE AND ALLOY POWDER |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010255033A (ja) * | 2009-04-23 | 2010-11-11 | Nippon Light Metal Co Ltd | 金属基複合材 |
WO2016143137A1 (ja) * | 2015-03-12 | 2016-09-15 | 株式会社ニコン | 三次元造形物製造装置および構造物の製造方法 |
JP2016204720A (ja) * | 2015-04-27 | 2016-12-08 | 株式会社ソディック | 積層造形装置 |
JP2017019111A (ja) * | 2015-07-07 | 2017-01-26 | 日本電気株式会社 | 積層造形装置及び積層造形方法 |
JP2017082293A (ja) * | 2015-10-29 | 2017-05-18 | セイコーエプソン株式会社 | 三次元構造物の製造方法、その製造装置及びその制御プログラム |
WO2017104705A1 (ja) * | 2015-12-15 | 2017-06-22 | 国立大学法人大阪大学 | 金属間化合物を含有する構造物の製造方法 |
WO2017163405A1 (ja) * | 2016-03-25 | 2017-09-28 | 技術研究組合次世代3D積層造形技術総合開発機構 | 3次元積層造形装置、3次元積層造形装置の制御方法および3次元積層造形装置の制御プログラム |
WO2017203717A1 (ja) * | 2016-05-27 | 2017-11-30 | 地方独立行政法人大阪府立産業技術総合研究所 | 積層造形用の金属粉末、積層造形物の製造方法及び積層造形物 |
-
2018
- 2018-12-06 WO PCT/JP2018/044870 patent/WO2019171689A1/ja active Application Filing
- 2018-12-06 JP JP2019519427A patent/JP6635227B1/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010255033A (ja) * | 2009-04-23 | 2010-11-11 | Nippon Light Metal Co Ltd | 金属基複合材 |
WO2016143137A1 (ja) * | 2015-03-12 | 2016-09-15 | 株式会社ニコン | 三次元造形物製造装置および構造物の製造方法 |
JP2016204720A (ja) * | 2015-04-27 | 2016-12-08 | 株式会社ソディック | 積層造形装置 |
JP2017019111A (ja) * | 2015-07-07 | 2017-01-26 | 日本電気株式会社 | 積層造形装置及び積層造形方法 |
JP2017082293A (ja) * | 2015-10-29 | 2017-05-18 | セイコーエプソン株式会社 | 三次元構造物の製造方法、その製造装置及びその制御プログラム |
WO2017104705A1 (ja) * | 2015-12-15 | 2017-06-22 | 国立大学法人大阪大学 | 金属間化合物を含有する構造物の製造方法 |
WO2017163405A1 (ja) * | 2016-03-25 | 2017-09-28 | 技術研究組合次世代3D積層造形技術総合開発機構 | 3次元積層造形装置、3次元積層造形装置の制御方法および3次元積層造形装置の制御プログラム |
WO2017203717A1 (ja) * | 2016-05-27 | 2017-11-30 | 地方独立行政法人大阪府立産業技術総合研究所 | 積層造形用の金属粉末、積層造形物の製造方法及び積層造形物 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116504742A (zh) * | 2023-06-21 | 2023-07-28 | 青岛泰睿思微电子有限公司 | 半导体封装用框架及其制作方法、以及封装方法 |
CN116504742B (zh) * | 2023-06-21 | 2023-12-08 | 青岛泰睿思微电子有限公司 | 半导体封装用框架及其制作方法、以及封装方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2019171689A1 (ja) | 2020-04-16 |
WO2019171689A1 (ja) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6635227B1 (ja) | 三次元形状造形物の製造方法 | |
US10821518B2 (en) | Additive manufacturing method and apparatus | |
CN107130124B (zh) | 一种增材制造技术成形高熵合金的方法 | |
JP6717573B2 (ja) | 繊維強化を用いた付加製造方法 | |
EP3187285B1 (en) | Powder for layer-by-layer additive manufacturing, and process for producing object by layer-by-layer additive manufacturing | |
JP5760222B2 (ja) | 金属ガラス成形体の製造方法 | |
US20200108445A1 (en) | Additive manufacturing of articles comprising beryllium | |
CN109396434B (zh) | 一种基于选区激光熔化技术制备钛合金零件的方法 | |
JP6344004B2 (ja) | 単結晶の製造方法 | |
WO2017104705A1 (ja) | 金属間化合物を含有する構造物の製造方法 | |
JP6864346B2 (ja) | ヒートシンク | |
JP2007016312A (ja) | 焼結体形成方法 | |
JP2017186653A (ja) | 三次元形状造形物及びその製造方法 | |
JP2006257463A (ja) | レーザ焼結処理用の粉状材料及びその製造方法、並びに、3次元構造物及びその製造方法 | |
TWI232786B (en) | Method of making a three-dimensional sintered product | |
Qi et al. | Scanning method of filling lines in electron beam selective melting | |
WO2017203717A1 (ja) | 積層造形用の金属粉末、積層造形物の製造方法及び積層造形物 | |
US11084096B2 (en) | Movable wall for additive powder bed | |
US20210362267A1 (en) | Method of manufacturing metal articles | |
JP7216363B2 (ja) | 三次元造形物の製造方法と三次元造形システム | |
Sun et al. | Microstructure and properties of Fe-base alloy fabricated using selective laser melting | |
JP2019111684A (ja) | 造形物の製造方法 | |
JP2019081935A (ja) | 金属部材の作製方法 | |
JP2021085079A (ja) | 積層造形物の製造方法 | |
JP2023031963A (ja) | 立体造形物の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190410 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190410 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20190425 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190604 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190708 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190820 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191015 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20191119 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191202 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6635227 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |