Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Ageing response of an Al-Mg-Mn-Sc-Zr alloy processed by laser metal deposition in thin-wall structures
Zhao, T.; Cai, W.; Dahmen, M.; Schaible, J.; Hong, C.; Gasser, Andres; Weisheit, Andreas; Biermann, T.; Kelbassa, I.; Zhang, H.; Gu, D.; Schleifenbaum, J.H.
Journal Article
2015Comparison between PS and µS-laser radiation for drilling holes for force transmission elements in CFRP-preforms
Janssen, S.; Reinelt, S.; Kelbassa, I.; Oppitz, S.; Cetin, M.
Conference Paper
2015Densification behavior, microstructure evolution, and wear property of TiC nanoparticle reinforced AlSi10Mg bulk-form nanocomposites prepared by selective laser melting
Gu, D.; Wang, H.; Dai, D.; Chang, F.; Meiners, W.; Hagedorn, Y.-C.; Wissenbach, K.; Kelbassa, I.; Poprawe, R.
Journal Article
2015Drilling of holes for force transmission elements in CFRP-preforms via ultra-short pulse laser radiation
Janssen, S.; Fögen, N.; Kelbassa, I.; Cetin, M.; Oppitz, S.
Conference Paper
2015Editor Note: "Fabrication of nanoparticulate reinforced metal matrix composites by laser cladding" [J. Laser Appl. 26, 022007 (2014)]
Zhong, M.; Jiang, D.; Zhang, H.; Hong, C.; Weisheit, A.; Kelbassa, I.
Journal Article
2015High-temperature oxidation performance and its mechanism of TiC/Inconel 625 composites prepared by laser metal deposition additive manufacturing
Hong, C.; Gu, D.D.; Dai, D.H.; Cao, S.N.; Alkhayat, M.; Jia, Q.B.; Gasser, A.; Weisheit, A.; Kelbassa, I.; Zhong, M.L.; Poprawe, R.
Journal Article
2015Hybrid laser drilling of cooling holes by using millisecond pulsed fiber laser radiation and ultrashort pulsed laser radiation
Uchtmann, H.; Kürschner, D.; Kelbassa, I.
Conference Paper
2015Laser additive manufacturing of ultrafine TiC particle reinforced Inconel 625 based composite parts
Hong, C.; Gu, D.; Dai, D.; Alkhayat, M.; Urban, W.; Yuan, P.; Cao, S.; Gasser, A.; Weisheit, A.; Kelbassa, I.; Zhong, M.; Poprawe, R.
Journal Article
2014CAx process chain for automated laser drilling of tool molds
Uchtmann, H.; Kelbassa, I.
Journal Article
2014Combined strengthening of multi-phase and graded interface in laser additive manufactured TiC/Inconel 718 composites
Gu, D.; Hong, C.; Jia, Q.; Dai, D.; Gasser, A.; Weisheit, A.; Kelbassa, I.; Zhong, M.; Poprawe, R.
Journal Article
2014Comparison of geometrical properties of parts manufactured by powder bed based (SLM) and powder fed based (LMD) laser additive manufacturing technologies
Alkhayat, M.; Khavkin, E.; Gasser, A.; Meiners, W.; Kelbassa, I.
Conference Paper
2014Correlations of melt pool geometry and process parameters during laser metal deposition by coaxial process monitoring
Ocylok, S.; Alexeev, E.; Mann, S.; Weisheit, A.; Wissenbach, K.; Kelbassa, I.
Conference Paper, Journal Article
2014Deposition welding of hot forging dies using nanoparticle reinforced weld metal
Behrens, B.-A.; Yilkiran, T.; Ocylok, S.; Weisheit, A.; Kelbassa, I.
Journal Article
2014Drilling of cooling holes by using high power ultrashort pulsed laser radiation
Uchtmann, H.; Friedrichs, M.; Kelbassa, I.
Conference Paper
2014Fabrication of nano-TiCp reinforced Inconel 625 composite coatings by partial dissolution of micro-TiCp through laser cladding energy input control
Jiang, D.; Hong, C.; Zhong, M.; Alkhayat, M.; Weisheit, A.; Gasser, A.; Zhang, H.; Kelbassa, I.; Poprawe, R.
Journal Article
2014Fabrication of nanoparticulate reinforced metal matrix composites by laser cladding
Zhong, M.L.; Jiang, D.F.; Zhang, H.J.; Hong, C.; Weisheit, A.; Kelbassa, I.
Journal Article
2014Investigations of laser clad, thermal sprayed and laser remelted AlSi20-coatings on magnesium alloy AZ31B under constant and cycling thermal load
Rolink, G.; Weisheit, A.; Biermann, T.; Bobzin, K.; Öte, M.; Linke, T.F.; Schulz, C.; Kelbassa, I.
Journal Article
2014Laser additive manufacturing LAM - fundamentals of selective laser melting SLM and laser material deposition LMD
Poprawe, R.; Hagedorn, Y.-C.; Kelbassa, I.
Conference Paper
2014LMDCAM, computer aided manufacturing (CAM) solution for tool path generation for build-up of complex aerospace components by laser metal deposition (LMD)
Flemmer, J.; Pirch, N.; Gasser, A.; Wissenbach, K.; Kelbassa, I.; Witzel, J.
Journal Article, Conference Paper
2014Post-processing of 3D-printed parts using femtosecond and picosecond laser radiation
Mingareev, I.; Gehlich, N.; Bonhoff, T.; Meiners, W.; Kelbassa, I.; Biermann, T.; Richardson, M.C.
Conference Paper
2013Cax process chain for laser drilling of tool molds
Uchtmann, H.; Kelbassa, I.
Conference Paper
2013Determination of the bore hole diameter by analyzing process emissions
Janssen, S.; Uchtmann, H.; Kelbassa, I.
Conference Paper
2013Fabrication and analysis of porous superalloys for turbine components using laser additive manufacturing
Bernstein, J.A.; Bravato, A.; Ealy, B.; Ricklick, M.; Kapat, J.S.; Mingareev, I.; Richardson, M.; Meiners, W.; Kelbassa, I.
Conference Paper
2013Femtosecond laser post-processing of metal parts produced by laser additive manufacturing
Mingareev, I.; Bonhoff, T.; El-Sherif, A.F.; Meiners, W.; Kelbassa, I.; Biermann, T.; Richardson, M.
Journal Article
2013Fundamental processes of refractive index modifications during femtosecond laser waveguide writing
Schaefer, D.; Schnitzler, D.; Kelbassa, I.
Conference Paper
2013High speed LAM
Kelbassa, I.; Gasser, A.; Meiners, W.; Backes, G.; Müller, B.
Conference Paper
2013High speed micro scanner for 3D in-volume laser micro-processing
Schaefer, D.; Gottmann, J.; Hermans, M.; Ortmann, J.; Kelbassa, I.
Conference Paper
2013LACAM3D, CAM solution for tool path generation for build up of complex aerospace components by laser powder deposition
Flemmer, J.; Pirch, N.; Witzel, J.; Gasser, A.; Wissenbach, K.; Kelbassa, I.
Conference Paper
2013Laser additive manufacturing - A new manufacturing technology for parts of composites with refractory metals?
Weisheit, A.; Dobrzanski, D.; Valentin, M.; Ocylok, S.; Wissenbach, K.; Kelbassa, I.
Conference Paper
2013Laser metal deposition of TiC/Inconel 718 composites with tailored interfacial microstructures
Hong, C.; Gu, D.; Dai, D.; Gasser, A.; Weisheit, A.; Kelbassa, I.; Zhong, M.; Poprawe, R.
Journal Article
2013Modeling of coaxial single and overlap-pass cladding with laser radiation
Pirch, N.; Keutgen, S.; Gasser, A.; Wissenbach, K.; Kelbassa, I.
Conference Paper
2013Ultrafast laser-based post-processing of parts produced by additive manufacturing
Mingareev, I.; Bonhoff, T.; El-Sherif, A.; Biermann, T.; Meiners, W.; Kelbassa, I.; Richardson, M.
Conference Paper
2012Digital photonic production: High power ultrashort lasers, laser additive manufacturing and laser micro/ nano fabrication
Poprawe, R.; Gillner, A.; Hoffmann, D.; Kelbassa, I.; Loosen, P.; Wissenbach, K.
Conference Paper
2012High speed LAM
Kelbassa, I.; Gasser, A.; Meiners, W.; Backes, G.; Müller, B.
Conference Paper
2012Pulse shaping during laser percussion drilling by using fiber laser radiation
Uchtmann, H.; Dietrich, J.; Kelbassa, I.
Conference Paper
2012Quo vadis, laser additive manufacturing?
Kelbassa, I.; Wohlers, T.; Caffrey, T.
Journal Article
2012Reparaturschweißen von Druckgießformen durch das Laser-Auftragschweißen
Müller, S.; Pries, H.; Dilger, K.; Ocylok, S.; Weisheit, A.; Kelbassa, I.
Journal Article
2012Study on cracks in laser direct-cladded titanium layer on low carbon steel
Xu, H.; Zhao, H.; Ocylok, S.; Kelbassa, I.
Journal Article
2011Additive manufacturing of a blade-integrated disk by laser metal deposition
Witzel, J.; Schrage, J.; Gasser, A.; Kelbassa, I.
Conference Paper
2011Advantages of laser metal deposition by using zoom optics and MWO (Modular Welding Optics)
Hong, C.; Burbaum, B.; Gasser, A.; Kelbassa, I.
Conference Paper
2011Applying functionally graded materials by laser cladding: A cost-effective way to improve the lifetime of die-casting dies
Müller, S.; Pries, H.; Dilger, K.; Ocylok, S.; Weisheit, A.; Kelbassa, I.
Conference Paper
2011Beam shaping of laser diode radiation by waveguides with arbitrary cladding geometry written with fs-laser radiation
Beckmann, D.; Schnitzler, D.; Schaefer, D.; Gottmann, J.; Kelbassa, I.
Journal Article
2011Characterization of Micro/Macrostructure of Laser Cladded Inconel 718 with Increased Deposition Rates as Related to the Mechanical Properties
Witzel, J.; Stannard, S.; Gasser, A.; Kelbassa, I.
Conference Paper
2011Development of a model for prediction of material properties of laser cladded Inconel 718 as related to porosity in the bulk material
Witzel, J.; Schopphoven, T.; Gasser, A.; Kelbassa, I.
Conference Paper
2011Functionalization of sapphire surfaces using fs-laser radiation and selective etching
Hörstmann-Jungemann, M.; Dobrzanski, D.; Schaefer, D.; Kelbassa, I.
Conference Paper
2011Increased wear and oxidation resistance of titanium aluminide alloys by laser cladding
Ocylok, S.; Weisheit, A.; Kelbassa, I.
Conference Paper
2011Photodegradation of Methyl Orange under Visible Light by Micro-Nano Hierarchical Cu2O Structure Fabricated by Hybrid Laser Processing and Chemical Dealloying
Dong, C.; Zhong, M.; Huang, T.; Ma, M.; Wortmann, D.; Brajdic, M.; Kelbassa, I.
Journal Article
2011Waveguides and markings inside transparent materials by fs-laser radiation
Schaefer, D.; Beckmann, D.; Hörstmann-Jungemann, M.; Kelbassa, I.
Conference Paper
20103D nano and micro structures in transparent materials by in-volume femtosecond laser processing
Kelbassa, I.; Gottmann, J.; Hermans, M.; Hörstmann-Jungemann, M.; Beckmann, D.; Esser, D.
Conference Paper
2010Advantages of adaptive optics for laser metal deposition in comparison to conventional optics
Burbaum, B.; Hong, C.; Gasser, A.; Kelbassa, I.
Conference Paper
2010Functionally graded multi-layers by laser cladding for increased wear and corrosion protection
Ocylok, S.; Weisheit, A.; Kelbassa, I.
Conference Paper, Journal Article
2010High-power ultra-short pulse laser radiation: New sources as key enablers for emerging applications
Kelbassa, I.; Wortmann, D.; Mans, T.; Gottmann, J.; Russbueldt, P.; Weitenberg, J.; Brajdic, M.; Hermans, M.; Beckmann, D.; Poprawe, R.
Conference Paper
2010Improvement of formability and performance of coated ultra-high-strength steels by local heat treatment using a high power diode laser
Bergweiler, G.; Weisheit, A.; Wissenbach, K.; Kelbassa, I.; Kopp, C.
Conference Paper
2010Increasing the deposition rate of Inconel 718 for LMD
Witzel, J.; Kelbassa, I.; Gasser, A.; Backes, G.
Conference Paper
2010Laser additive manufacturing
Gasser, A.; Backes, G.; Kelbassa, I.; Weisheit, A.; Wissenbach, K.
Journal Article
2009Enhancing the quality and productivity of laser drilling by changing process gas parameters while processing
Dietrich, J.; Brajdic, M.; Engbers, S.; Klinkmüller, L.; Kelbassa, I.
Conference Paper
2009The influence of process gases on laser drilling
Dietrich, J.; Brajdic, M.; Mirau, A.; Klinkmüller, L.; Kelbassa, I.
Conference Paper
2008Bohren mit gepulster Laserstrahlung
Walther, K.; Brajdic, M.; Kelbassa, I.; Poprawe, R.
Journal Article
2008In situ measurement of plasma and shock wave properties inside laser-drilled metal holes
Brajdic, M.; Hermans, M.; Horn, A.; Kelbassa, I.
Journal Article
2008Influence of process gas sort and pressure on laser percussion drilling
Walther, K.; Holtkoetter, C.; Kelbassa, I.; Poprawe, R.
Conference Paper
2008Investigation of increased drilling speed by online high-speed photography
Dietrich, J.; Brajdic, M.; Walther, K.; Horn, A.; Kelbassa, I.; Poprawe, R.
Journal Article
2008Laser cladding of mesh structures on HPT liner and NGV parts
Burbaum, B.; Albus, P.; Kelbassa, I.
Conference Paper
2008Manufacture and repair of aero engine components using laser technology
Kelbassa, I.; Albus, P.; Dietrich, J.; Wilkes, J.
Conference Paper
2008Manufacturing of shaped holes in multi-layer plates by laser drilling
Walther, K.; Brajdic, M.; Dietrich, J.; Hermans, M.; Witty, M.; Horn, A.; Kelbassa, I.; Poprawe, R.
Conference Paper
2008Measurement of plasma and shock-wave dynamics and properties inside holes during laser drilling of metals
Brajdic, M.; Hermans, M.; Kaminsky, M.; Kelbassa, I.
Conference Paper
2008Optimising and manufacturing a laser-drilled cooling hole geometry for effusion-cooled multi-layer plates
Poprawe, R.; Kelbassa, I.; Walther, K.; Witty, M.; Bohn, D.; Krewinkel, R.
Conference Paper
2007Increase of drilling velocity by use of superposed laser radiation
Walther, K.; Brajdic, M.; Kelbassa, I.
Conference Paper
2007Laser cladding of mesh structures on HPT liner and NGV parts
Albus, P.; Burbaum, B.; Kelbassa, I.
Conference Paper
2007Neue Schweißtechnologien mit neuen Lasern
Albus, P.; Boglea, A.; Burbaum, B.; Holtkamp, J.; Kelbassa, I.; Nazery-Goneghany, V.; Olowinsky, A.; Petring, D.; Poggel, M.; Schmitt, F.; Schneider, F.; Wolf, N.; Poprawe, R.
Conference Paper
2007Open porous metallic foams with thermal barrier coating and cooling hole array for high temperature turbines applications
Angel, S.; Ratte, E.; Bleck, W.; Bobzin, K.; Lugscheider, E.; Nickel, R.; Richardt, K.; Bagcivan, N.; Walther, K.; Kreutz, E.W.; Kelbassa, I.; Poprawe, R.
Journal Article
2007Potentials of manufacture and repair of nickel base turbine components used in aero engines and power plants by laser metal deposition and laser drilling
Kelbassa, I.; Walther, K.; Trippe, L.; Meiners, W.; Over, C.
Journal Article
2006Laser metal deposition of TiAl alloys
Kelbassa, I.; Weisheit, A.; Wissenbach, K.; Hermes, V.
Conference Paper
2006Laser technologies for manufacturing and repair of rotating machinery power plant components
Kreutz, E.W.; Willach, J.; Kelbassa, I.; Keutgen, S.; Poprawe, R.
Conference Paper
2006Potentials of manufacture and repair of nickel base turbine components used in aero engines and power plants by laser metal deposition and laser drilling
Kelbassa, I.; Walther, K.; Trippe, L.; Meiners, W.; Over, C.
Conference Paper
2006Reconditioning of nickel base HPT blades and vanes used in aero engines and power plant gas turbines by combination of direct laser forming, laser metal deposition and laser drilling
Kelbassa, I.; Over, C.; Trippe, L.; Kreutz, E.W.; Wissenbach, K.
Conference Paper
2006Repair process development for blisk applications in aeroengines
Haubold, T.; Zhu, L.; Zimmermann, C.; Mattern, C.; Kelbassa, I.; Dahmen, M.; Kaierle, S.
Conference Paper
2004Cladding, drilling, and shaping of aerospace and power plant components by laser radiation
Kreutz, E.W.; Willach, J.; Kelbassa, I.; Backes, G.; Horn, A.; Keutgen, S.; Pirch, N.; Poprawe, R.
Conference Paper
2004Laser cladding as a repair technique for blisks out of titanium and nickel base alloys used in aero engines
Kelbassa, I.; Gasser, A.; Wissenbach, K.
Conference Paper
2002Repair and (re)conditioning of compressor and turbine blades by CO2 and Nd:YAG laser radiation
Kelbassa, I.; Gasser, A.; Backes, G.; Keutgen, S.; Kreutz, E.W.; Pirch, N.
Conference Paper