FR2882672B1 - Procede de realisation de surfaces structurees a l'echelle submicronique et pieces de moteurs a combustion interne traitees selon ce procede - Google Patents

Procede de realisation de surfaces structurees a l'echelle submicronique et pieces de moteurs a combustion interne traitees selon ce procede

Info

Publication number
FR2882672B1
FR2882672B1 FR0601920A FR0601920A FR2882672B1 FR 2882672 B1 FR2882672 B1 FR 2882672B1 FR 0601920 A FR0601920 A FR 0601920A FR 0601920 A FR0601920 A FR 0601920A FR 2882672 B1 FR2882672 B1 FR 2882672B1
Authority
FR
France
Prior art keywords
submicronic
producing
parts
internal combustion
combustion engines
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
Application number
FR0601920A
Other languages
English (en)
French (fr)
Other versions
FR2882672A1 (fr
Inventor
Stefan Langenfeld
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of FR2882672A1 publication Critical patent/FR2882672A1/fr
Application granted granted Critical
Publication of FR2882672B1 publication Critical patent/FR2882672B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
    • B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
    • B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Laser Beam Processing (AREA)
FR0601920A 2005-03-03 2006-03-03 Procede de realisation de surfaces structurees a l'echelle submicronique et pieces de moteurs a combustion interne traitees selon ce procede Expired - Fee Related FR2882672B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005009660.3A DE102005009660B4 (de) 2005-03-03 2005-03-03 Verfahren zur Veränderung der Topographie von Oberflächen, Bauteil oder Bereich einer Brennkraftmaschine und Brennkraftmaschine

Publications (2)

Publication Number Publication Date
FR2882672A1 FR2882672A1 (fr) 2006-09-08
FR2882672B1 true FR2882672B1 (fr) 2009-02-06

Family

ID=36848080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0601920A Expired - Fee Related FR2882672B1 (fr) 2005-03-03 2006-03-03 Procede de realisation de surfaces structurees a l'echelle submicronique et pieces de moteurs a combustion interne traitees selon ce procede

Country Status (2)

Country Link
DE (1) DE102005009660B4 (de)
FR (1) FR2882672B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012016204A1 (de) * 2012-05-30 2013-12-05 Eads Deutschland Gmbh Verfahren zur Nanostrukturierung und chemischen Modifikation von keramischen, Glas-, Kohlenstoff-, Bor-, Silicium- und Verbundwerkstoff-Materialien

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473138A (en) * 1993-07-13 1995-12-05 Singh; Rajiv K. Method for increasing the surface area of ceramics, metals and composites
US5744780A (en) * 1995-09-05 1998-04-28 The United States Of America As Represented By The United States Department Of Energy Apparatus for precision micromachining with lasers
DE19706833A1 (de) * 1997-02-21 1998-09-03 Audi Ag Verfahren zum Herstellen von Zylinderlaufbahnen von Hubkolbenmaschinen
DE10157316A1 (de) * 2001-11-23 2003-06-26 Alcove Surfaces Gmbh Lager
US6995336B2 (en) * 2003-01-29 2006-02-07 The Regents Of The University Of Michigan Method for forming nanoscale features

Also Published As

Publication number Publication date
FR2882672A1 (fr) 2006-09-08
DE102005009660A1 (de) 2006-09-07
DE102005009660B4 (de) 2014-01-02

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