DE69825877D1 - Verfahren zur darstellung von einschlüssen im feinguss - Google Patents
Verfahren zur darstellung von einschlüssen im feingussInfo
- Publication number
- DE69825877D1 DE69825877D1 DE69825877T DE69825877T DE69825877D1 DE 69825877 D1 DE69825877 D1 DE 69825877D1 DE 69825877 T DE69825877 T DE 69825877T DE 69825877 T DE69825877 T DE 69825877T DE 69825877 D1 DE69825877 D1 DE 69825877D1
- Authority
- DE
- Germany
- Prior art keywords
- metal
- imaging
- imaging agent
- mold
- article
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Continuous Casting (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6959797P | 1997-12-15 | 1997-12-15 | |
US69597P | 1997-12-15 | ||
PCT/US1998/026714 WO1999030854A1 (en) | 1997-12-15 | 1998-12-15 | Method for imaging inclusions in investment castings |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69825877D1 true DE69825877D1 (de) | 2004-09-30 |
DE69825877T2 DE69825877T2 (de) | 2005-09-08 |
Family
ID=22090024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69825877T Expired - Lifetime DE69825877T2 (de) | 1997-12-15 | 1998-12-15 | Verfahren zur darstellung von einschlüssen im feinguss |
Country Status (9)
Country | Link |
---|---|
US (1) | US6102099A (de) |
EP (1) | EP0971803B1 (de) |
JP (1) | JP2001512372A (de) |
CN (1) | CN1329142C (de) |
AT (1) | ATE274386T1 (de) |
AU (1) | AU1918599A (de) |
DE (1) | DE69825877T2 (de) |
HK (1) | HK1025067A1 (de) |
WO (1) | WO1999030854A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5975188A (en) | 1997-10-30 | 1999-11-02 | Howmet Research Corporation | Method of casting with improved detectability of subsurface inclusions |
US6619368B1 (en) | 1997-12-15 | 2003-09-16 | Pcc Structurals, Inc. | Method for imaging inclusions in investment castings |
US20030150294A1 (en) * | 2002-01-25 | 2003-08-14 | Njall Stefansson | Filters for filtering molten metals and alloys field |
US20060054057A1 (en) * | 2004-09-16 | 2006-03-16 | Doles Ronald S | Filler component for investment casting slurries |
WO2008061051A2 (en) | 2006-11-10 | 2008-05-22 | Buntrock Industries, Inc. | Mold system for the casting of reactive alloys |
CN101626854B (zh) * | 2007-01-29 | 2012-07-04 | 赢创德固赛有限责任公司 | 用于熔模铸造的热解金属氧化物 |
US8888879B1 (en) | 2010-10-20 | 2014-11-18 | Us Synthetic Corporation | Detection of one or more interstitial constituents in a polycrystalline diamond element by neutron radiographic imaging |
US8579013B2 (en) * | 2011-09-30 | 2013-11-12 | General Electric Company | Casting mold composition with improved detectability for inclusions and method of casting |
US8932518B2 (en) | 2012-02-29 | 2015-01-13 | General Electric Company | Mold and facecoat compositions |
US9511417B2 (en) | 2013-11-26 | 2016-12-06 | General Electric Company | Silicon carbide-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
US9989482B2 (en) * | 2016-02-16 | 2018-06-05 | General Electric Company | Methods for radiographic and CT inspection of additively manufactured workpieces |
CN109093059B (zh) * | 2018-07-17 | 2020-08-18 | 上海圣德曼铸造海安有限公司 | 一种汽车钢圈铸造用不粘硅砂的制备方法 |
FR3089438B1 (fr) * | 2018-12-11 | 2020-12-25 | Safran | Barbotine de fonderie améliorée pour la fabrication de moules carapaces |
CN110118790B (zh) * | 2019-04-30 | 2020-05-26 | 成都理工大学 | 一种钨极氩弧焊缝中钨夹杂的检测装置与检测方法 |
CN113155564B (zh) * | 2021-04-15 | 2022-09-16 | 唐山钢铁集团有限责任公司 | 一种导致冲压件砂眼缺陷的夹杂物的分析方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1473457C3 (de) * | 1962-04-04 | 1974-04-11 | Huettenwerk Oberhausen Ag, 4200 Oberhausen | Verfahren und Vorrichtung zur zerstörungsfreien Prüfung von Walzgut aus Stahl auf Oxydeinschlüsse, insbesondere im Durchlaufverfahren |
US3315076A (en) * | 1964-10-07 | 1967-04-18 | Edward D Jordan | Determining the thickness of a furnace lining by means of neutron activation |
US3422880A (en) * | 1966-10-24 | 1969-01-21 | Rem Metals Corp | Method of making investment shell molds for the high integrity precision casting of reactive and refractory metals |
US3617747A (en) * | 1968-09-26 | 1971-11-02 | Gen Electric | Detecting minute amounts of residual core material by means of neutron radiography |
SU508324A1 (ru) * | 1973-02-12 | 1976-03-30 | Предприятие П/Я В-2504 | Керамическа масса дл изготовлени литейных стержней |
US4040845A (en) * | 1976-03-04 | 1977-08-09 | The Garrett Corporation | Ceramic composition and crucibles and molds formed therefrom |
JPS55114441A (en) * | 1979-02-27 | 1980-09-03 | Hitachi Ltd | Production of mold |
JPS6054266A (ja) * | 1983-09-06 | 1985-03-28 | Komatsu Ltd | 鋳造欠陥の原因究明方法 |
DD237907B1 (de) * | 1985-06-03 | 1989-05-10 | John Schehr Meuselwitz Veb Mas | Verfahren und vorrichtung zur herkunftsermittlung von formstoffeinschluessen an gussstuecken |
DE3683086D1 (de) * | 1985-06-06 | 1992-02-06 | Remet Corp | Giessen von reaktionsfaehigen metallen in keramische formen. |
JPH038533A (ja) * | 1989-03-22 | 1991-01-16 | Shin Etsu Chem Co Ltd | 希土類酸化物スラリー |
US5242007A (en) * | 1992-04-10 | 1993-09-07 | United Technologies Corporation | X-ray detection of residual ceramic material inside hollow metal articles |
US5643844A (en) * | 1994-09-27 | 1997-07-01 | Precision Castparts Corporation | Method for stabilizing ceramic suspensions |
US5975188A (en) * | 1997-10-30 | 1999-11-02 | Howmet Research Corporation | Method of casting with improved detectability of subsurface inclusions |
-
1998
- 1998-12-15 EP EP98963967A patent/EP0971803B1/de not_active Expired - Lifetime
- 1998-12-15 CN CNB988025825A patent/CN1329142C/zh not_active Expired - Lifetime
- 1998-12-15 JP JP53290499A patent/JP2001512372A/ja not_active Ceased
- 1998-12-15 AT AT98963967T patent/ATE274386T1/de not_active IP Right Cessation
- 1998-12-15 WO PCT/US1998/026714 patent/WO1999030854A1/en active IP Right Grant
- 1998-12-15 DE DE69825877T patent/DE69825877T2/de not_active Expired - Lifetime
- 1998-12-15 AU AU19185/99A patent/AU1918599A/en not_active Abandoned
- 1998-12-15 US US09/212,116 patent/US6102099A/en not_active Expired - Lifetime
-
2000
- 2000-07-19 HK HK00104424A patent/HK1025067A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1329142C (zh) | 2007-08-01 |
US6102099A (en) | 2000-08-15 |
ATE274386T1 (de) | 2004-09-15 |
WO1999030854A1 (en) | 1999-06-24 |
CN1248186A (zh) | 2000-03-22 |
AU1918599A (en) | 1999-07-05 |
EP0971803A4 (de) | 2001-02-14 |
JP2001512372A (ja) | 2001-08-21 |
EP0971803B1 (de) | 2004-08-25 |
DE69825877T2 (de) | 2005-09-08 |
EP0971803A1 (de) | 2000-01-19 |
HK1025067A1 (en) | 2000-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE274386T1 (de) | Verfahren zur darstellung von einschlüssen im feinguss | |
WO2002000369A3 (en) | Method for imaging inclusions and/or alpha case in articles | |
ATE343783T1 (de) | Verfahren zum nachweis und zur überwachung von chemischen verbindungen | |
Nathwani et al. | Leachability of ra-226 from uranium mill tailings consolidated with naturally occurring materials and/or cement: II. Analysis based on mass transport equations | |
Lee et al. | Fluoride ion diffusion from a glass–ionomer cement | |
DE69318297D1 (de) | Verfahren zur dekontamination von durch metalle verunreinigten böden | |
JPS56105854A (en) | Method of preventing infiltration of slag into mold in continuous casting and device for executing said method | |
DE69501955T2 (de) | Verfahren zur extraktion von metallen aus metallenthaltenden materialien durch pyrohydrolyse | |
Slugen et al. | Positron annihilation studies of neutron irradiated and thermally treated reactor pressure vessel steels | |
JPS5781530A (en) | Placement work of underwater concrete and form therefor | |
DE69015150D1 (de) | Verfahren zur herstellung gesinterten karbids oder cermetlegierung. | |
DE69305745D1 (de) | Verfahren zur herstellung keramischer mischoxide, insbesondere zur verwendung als matrix in keramischen verbundwerkstoffen | |
DE69029446D1 (de) | Vorrichtung und Verfahren zur Minimierung der Effekte, des in einem Elektrolyten gelösten Sauerstoffgehaltes, bei Analysatoren für niedrige Sauerstoffkonzentrationen | |
DE68917376D1 (de) | Verfahren zur Herstellung eines Antistatischen Mittels und Methacrylharz-Zusammensetzung. | |
DE60128119D1 (de) | Verfahren zur herstellung von pulver aus kernbrennstoffmetall oder -metalllegierung | |
Rosanvallon et al. | Steel detritiation, optimization of a process | |
Petes et al. | Dimensional repeatabililty of investment castings | |
DE69005617D1 (de) | Verfahren zur herstellung eines gleichförmig gemischten metalloxyds. | |
Li et al. | Study of effect of rare earth on chemical and physical properties of continuous casting mould flux. | |
Perić | Influence of the titanium dioxide addition in matrix formulation on the Radwaste-Mortar matrix characteristics | |
Terai et al. | Compatibility of insulating ceramic with liquid breeders | |
DE3769560D1 (de) | Verfahren zur ermittlung von kernmagnetischen spektren aus raeumlich selektierbaren bereichen eines untersuchungsobjektes. | |
IT1211060B (it) | Dispositivo per determinare il tempo di indurimento di materiali leganti,impasti per anime,forme di colata e anime di fonderia | |
DE3683428D1 (de) | Pulvermetallkoerper mit hoher kerbschlagzaehigkeit und verfahren zu seiner herstellung. | |
NO940085D0 (no) | Fremgangsmaate til telling av fisk, anordning til utfoerelse av fremgangsmaaten og anordning ved fisketelling i merd |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |