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Tribologie und Schmierungstechnik
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ISSN (Print) 0724-3472
Published by Narr Francke Attempto Verlag Homepage  [13 journals]
  • Micro-algae based additives for sustainable lubricants in metal forming
           and machining

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      Authors: Koch; Thomas; Gläbe, Ralf; Wenzel, Dominik; Siol, Antje; Köser, Jan; Thoeming, Jorg; Mesing, Shannon; Larek, Roland; Gavalás-Olea, Antonio; Lang, Imke
      Abstract: Microalgae offer a very good basis for use as a sustainable source of raw materials for technical applications, since a large number of suitable chemical compounds can be obtained from them. In the research project ALBINA (German acronym for: Algae-based – Biological – Renewable), components of micro-algae have been processed in order to test them as additives for lubricant applications.
      PubDate: 2022-07-25
       
  • Wartung und Instandhaltung – ein alter Hut'

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      Authors: Jungk; Manfred
      Abstract: EditorialWartung und Instandhaltung –ein alter Hut'Liebe Leserinnen und Leser,in wirtschaftlich schwierigen Zeiten blicken Schmierstoffherstellermit einem Angebot für beides, Erstausrüstungund Instandhaltung, gelassen auf die jeweiligen Umsatzzahlen.In guten Zeiten wird wegen Nachfrage vielproduziert, in schlechten mehr gewartet, um Maschinenlaufzeitenzu verlängern. Die Attraktivität, sich in derTechnik mit Konsumgütern und Investitionsgütern zu beschäftigen,lag bei meinen Mitstreitern meistens auf derKonsumgüterseite, wo z.
      PubDate: 2022-07-25
       
  • Micro-algae based additives for sustainable lubricants in metal forming
           and machining

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      Authors: Koch; Thomas; Gläbe, Ralf; Wenzel, Dominik; Mesing, Shannon; Wilke, Kenneth; Larek, Roland
      Abstract: Microalgae offer a very good basis for use as a sustainable source of raw materials for technical applications, since a large number of suitable chemical compounds can be obtained from them. In the research project ALBINA (German acronym for: Algae-based – Biological – Renewable), components of microalgae have been processed in order to test them as additives for lubricant applications.
      PubDate: 2022-07-25
       
  • Normen

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      Abstract: NormenNormen1 Normen der Schmierungstechnik1.1 Nationale Normen und Entwürfe1.1.1 DIN-NormenE DIN EN ISO 13736/A1:2022-03Print: 47,10 EUR/Download: 38,90 EURBestimmung des Flammpunktes – Verfahren mit geschlossenemTiegel nach Abel – Änderung 1: Aktualisierungder Erklärung für systematische Messab -weichungen (ISO 13736:2021/DAM 1:2022); Deutscheund Englische Fassung EN ISO 13736:2021/prA1:2022Determination of flash point – Abel closed-cup method– Amendment 1: Bias statement update(ISO 13736:2021/DAM 1:2022); German and Englishversion EN ISO 13736:2021/prA1:2022Erscheinungsdatum: 2022-02-04Einsprüche bis 2022-03-28Dieses Dokument …
      PubDate: 2022-07-25
       
  • Influence of ice collision loads at the propeller on the contact
           conditions in the journal bearings of ship propulsion systems

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      Authors: Lehmann; Benjamin; Gutiérrez Guzmán, Francisco; Jacobs, Georg
      Abstract: Journal bearings in drive trains of ships in Arctic and Antarctic operations show wear and fatigue damage resulting from collision between the propeller and drift ice. The damage requires costly drivetrain maintenance in dry dock, which can be reduced by loadappropriate design and predictive maintenance measures However, this requires a reliable life time calculation of marine drive train bearings subjected to stochastic ice loads.
      PubDate: 2022-07-25
       
  • Veranstaltungen

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      Abstract: VeranstaltungenVeranstaltungenDatum Ort Veranstaltung► 30.08. – 31.08.22 StuttgartUNITI Mineral Oil Technology Congress 2022 www.umtf.de► 06.09. – 08.09.22 EssenLubricant Exhibition & Conference www.lubricantexpo.com► 15.09.22 Wiener Neustadt ÖTG Symposium https://www.oetg.at/de/symposium/► 26.09. – 28.09.22 Göttingen63. Tribologie Fachtagung https://www.gft-ev.de/► 24.10. – 27.10.22 Amsterdam, Niederlande ELGI Autumn Events www.
      PubDate: 2022-07-25
       
  • Plant-based antioxidants for biolubricant applications

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      Authors: Platzer; Melanie; Kiese, Sandra
      Abstract: Plant extracts from natural and renewable resources have the potential to replace conventional antioxidants in many applications and to increase the stability of lubricants. By specific selection of raw materials and adaptation of extraction parameters, the properties of the additives can be specifically optimized for the respective application. Easy-to-perform photometric assays enable targeted and rapid process adjustment and pre-selection of extracts.
      PubDate: 2022-07-25
       
  • Mitteilungen der GfT

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      Authors: Wincierz; Christoph
      Abstract: NachrichtenMitteilungen der GfTGesellscha 昀 fürTribologie e. V.60. 63. Tribologie-Fachtagung 2019 202260. 63. Tribology Conference 2019 2022Reibung, 60. Tribologie-Fachtagung Schmierung 2019und VerschleißFric 60th 琀 German on, Lubrica Tribology 琀 on Conference and Wear 2019Reibung, Schmierung und VerschleißFric 琀 on, Lubrica 琀 on and WearForschung und prak 琀 sche AnwendungenResearch and Prac 琀 cal Applica 琀 onsForschung und prak 琀 sche AnwendungenResearch and Prac 琀 cal Applica 琀 ons26.
      PubDate: 2022-07-25
       
  • Patentumschau

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      Abstract: PatentumschauPatentumschauDE102009058177B4F16N 21/00Anheyer, Wolfgang, 41462, Neuss, DE;Seidel, Ralf, 35690, Dillenburg, DERebs Zentralschmiertechnik GmbH, 40885, Ratingen,DE; SMS group GmbH, 40237, Düsseldorf, DEVorrichtung zum Ankoppeln einer eine Schmierstoff-Gas-Strömung führenden Versorgungsleitungan einer Maschine und mit einer solchen Vorrichtungausgestattete MaschineVorrichtung zum Ankoppeln einer eine Schmierstoff-Gas-Strömung (G) führenden Versorgungsleitung (4) aneine Maschine, bei der mindestens eine Schmierstellemittels des von der Schmierstoff-Gas-Strömung (G)transportierten Schmierstoffs geschmiert wird, wobeidie …
      PubDate: 2022-07-25
       
  • Testing concept for the mechanical-tribological characterization of an
           anti-bacterial coating system for implants

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      Authors: Hasselmann; Julian; Kurzynski, Jochen; Fobker, Manfred; Gosheger, Georg; Schulze, Martin
      Abstract: To solve the issue of implant-associated infections, an antibacterial biocompatible multilayer coating was developed. For the approval of such a coating system as a medical device, the characterization of its mechanical and tribological properties is required. Since none of the existing test standards is fully applicable to the present coating system, a testing concept was developed to investigate the wettability, topography, morphology, thickness, hardness, Young’s modulus, adhesion strength and tribological characteristics of the multilayer coating.
      PubDate: 2022-06-01
       
  • Diät-Cola trinken und Schmalzgebäck essen'

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      Authors: Jungk; Manfred
      Abstract: EditorialDiät-Cola trinkenund Schmalzgebäck essen'Liebe Leserinnen und Leser,sicherlich haben wir mittlerweile alle eine Meinung inder nun allgegenwärtigen Nachhaltigkeitsdebatte. Somöchte ich diese Stelle dafür nutzen, meine persönlichenEindrücke mit Ihnen zu teilen. Nach Durchleben der Ölkrisein den 70er Jahren mit sonntäglichen Fahrverbotenund der Ankündigung der in wenigen Jahrzenten versiegendenÖlquellen postulierte mein Professor für PhysikalischeChemie in der Grundvorlesung, dass nicht derRohstoff Öl das Essentielle ist, sondern die Energie.
      PubDate: 2022-06-01
       
  • Investigation of the application-related dynamic friction behavior of
           wet-running multi-plate clutches on the example of two tribological system
           variants

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      Authors: Bischofsberger; Arne; Bause, Katharina; Ott, Sascha; Albers, Albert
      Abstract: In order to be able to design the tribological system in a targeted way for use as a mechatronic actuator, e.g. for influencing vibration-dynamic properties, knowledge of the friction behavior occurring in the application is necessary. The method described in this paper supports the characterization of the dynamic, application-related friction behavior of a wet-running multi-plate clutch. This enables more accurate and in particular, application-related predictions of behavior in wet-running friction contact, such as the transmissible torque in dynamic operation with adjusted tribological systems.
      PubDate: 2022-06-01
       
  • Veranstaltungen

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      Abstract: VeranstaltungenVeranstaltungenDatum Ort Veranstaltung► 10.07. – 15.07.22 Lyon, Frankreich7 th World Tribology Congress https://www.wtc-2022.org/► 30.08. – 31.08.22 StuttgartUNITI Mineral Oil Technology Congress 2022 www.umtf.de► 06.09. – 08.09.22 EssenLubricant Exhibition & Conference www.lubricantexpo.com► 15.09.22 Wiener Neustadt ÖTG Symposium https://www.oetg.at/de/symposium/► 26.09. – 28.
      PubDate: 2022-06-01
       
  • Influence of the Steel Plate Topography on the Running-In Behavior of Wet
           Multi-Plate Clutches

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      Authors: Völkel; Katharina; Pflaum, Hermann; Stahl, Karsten
      Abstract: Wet multi-plate clutches have a running-in phase at the start of operation in which the friction behavior can change significantly by adjustment of the friction surfaces. This running-in behavior can strongly depend on the characteristics of the friction system consisting of friction material, steel plate and fluid. With the aim of good controllability and thus high reliability of the clutch from the first shift, running-in processes should be less pronounced and should be completed quickly.
      PubDate: 2022-06-01
       
  • Nachrichten

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      Abstract: NachrichtenMitteilungen der ÖTGÖSTERREICHISCHETRIBOLOGISCHEGESELLSCHAFTÖTG-SYMPOSIUM 2022Tribology in industry and research –Trendsetting tribometry and analytics15. September 2022FHWN Innovation Lab, Johannes-Gutenberg-Straße 52700 Wiener 2700 Neustadt, Wiener Neustadt, Wiener Neustadt, Austria AustriaTimePlenary Talks09:00 Opening and greetings Andreas PAUSCHITZ, ÖTG-President09:15 Hannes HICK, TU Graz, Institute of Machine Components and Methods of Development, AustriaSystems engineering for model-based tribological development of electric vehicle drivesFrom viewing and modeling of the system “vehicle” to the “powertrain” …
      PubDate: 2022-06-01
       
  • Patentumschau

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      Abstract: PatentumschauPatentumschauDE102019111434A1F16C 41/00Stevka, Ondrej, Lucenec, SK; Gavlas, Michal,97421, Schweinfurt, DESchaeffler Technologies AG &Co. KG, 91074,Herzogenaurach, DERadlagereinheitDie Erfindung betrifft eine Radlagereinheit (1) umfassendein Radlager (2) mit einem Innenring (3) mit einerInnenringlaufbahn (4) und mit einem Außenring (5) miteiner Außenringlaufbahn (6) sowie mit Wälzkörperkugeln(7), die zwischen Innenring (3) und Außenring (5)wälzend gelagert in einem Käfig (8) voneinander beabstandetangeordnet sind, dadurch gekennzeichnet, dassdie Wälzkörperkugeln (7) zumindest eine Wälzkörperkugel(7) aufweisen, die …
      PubDate: 2022-06-01
       
  • Verleihung des Georg-Vogelpohl-Ehrenzeichens an Herrn Prof. Dr.-Ing.
           Alfons Fischer

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      Abstract: Außerdem fertigte er in dieser Zeit seine Habilitationsschriftmit dem Titel „Einfluss der Temperatur auf dastribologische Verhalten metallischer Werkstoffe“ an. Diemündliche Prüfung legte er am 28. Oktober 1992 ab, dieVenia Legendi erhielt er am 4. Februar 1993. Interessantist, dass Herr Fischer in jungen Jahren immer daraufWert gelegt hatte, die Verschleißmechanismen zu kennen,sie zu benennen und insbesondere dafür zu sorgen,dass nicht noch mehr dazu erfunden wurden, insbesonderebei den Untermechanismen der Abrasion, demMikrospanen, Mikropflügen und Mikrobrechen.
      PubDate: 2022-06-01
       
  • Analysis of Wet Vehicle Clutch damage Mechanism Caused by Water

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      Authors: Bäse; Mirjam; Lebel, Astrid; Franz, Rainer; Prostt, Josef
      Abstract: To increase robustness of wet vehicle clutches extensive knowledge about damage mechanism within tribological stressed clutch friction contact are necessary, to derive suitable requirements for clutch development. Therefore, on the one hand comprehensive investigations on component-, unit- and vehicle test level are necessary which offer, amongst other information, learnings about the clutch component causing a possible clutch failure.
      PubDate: 2022-06-01
       
  • Experimental Investigations into the Running-in Behavior of Lead-free
           Special Brass Alloys

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      Authors: Holzer; Achill; Reetz, Björn; Münch, Tileman; Schmitz, Katharina
      Abstract: In tribological systems with high loads, leaded special brasses are preferably used because of their excellent wear properties. Axial piston pumps and motors are a good example of such systems. In order to be able to dispense with lead-containing materials in the future, alternative materials are being tested. The result of this development are three new lead-free special brass materials presented in this article.
      PubDate: 2022-02-01
       
  • Editorial des Gastherausgebers Professor Dr. Adrian Rienäcker

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      Authors: Rienäcker; Adrian
      Abstract: EditorialEditorial des GastherausgebersProf. Dr. Adrian RienäckerAuch im Jahr 2021 musste die Tribologie-Fachtagungmit dem Schwerpunktthema „Nachhaltigkeit in der Tribologie“im Online-Format stattfinden. Mit fast 250 Teil -nehmerinnen und Teilnehmern konnte eine beachtlicheSteigerung zum Vorjahr erzielt werden und auch diesmalwurde die professionelle Vorbereitung durch FrauKollenbrandt, Herrn Dr.
      PubDate: 2022-02-01
       
  • Veranstaltungen

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      Abstract: VeranstaltungenVeranstaltungenDatum Ort Veranstaltung► 01.05. – 03.05.22 HamburgELGI Annual General Meeting www.elgi.org► 15.05. – 19.05.22 Orlando, USASTLE Annual Meeting & Exhibitionhttps://www.stle.org/annualmeeting► 10.07. – 15.07.22 Lyon, Frankreich7 th World Tribology Congress https://www.wtc-2022.org/► 30.08. – 31.08.22 StuttgartUNITI Mineral Oil Technology Congress 2022 www.umtf.
      PubDate: 2022-02-01
       
  • Turning of high strength, austenitic stainless steels

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      Authors: Rinschede; Timo; Felinks, Nils; Biermann, Dirk; Kimm, Janis; Weber, Sebastian; Niederhofer, Philipp; Herrera, Clara; Kalveram, Martin
      Abstract: High interstitial austenitic stainless CrMn steels are characterised by significantly increased work hardening ability and strength compared with conventional CrNi austenites, yet maintaining very high ductility and toughness. The machining of high interstitial CrMnCN steels is challenging in terms of process stability and economic efficiency. In this context, unfavourable chip forms, high thermomechanical loads and the superposition of different wear mechanisms in particular lead to challenges in turning operations.
      PubDate: 2022-02-01
       
  • Thermo-oxidative grease service life evaluation – laboratory study with
           the catalytically accelerated method using the RapidOxy

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      Authors: Matzke; Markus; Beyer-Faiß, Susanne; Grebe, Markus; Höger, Olav
      Abstract: With increasing product lifetime requirements including reduced failure rates and higher loads greases are challenged and appropriate methods for grease service life estimation are necessary. Thermo-oxidation is one dominant degradation mechanism in many automotive applications at elevated operating temperatures. At 60th German Tribology Conference 2019, the Bosch method for quantitatively accelerated testing of thermo-oxidative stability of greases with the RapidOxy test apparatus was presented.
      PubDate: 2022-02-01
       
  • Impact of thermal cycles on tribological properties and oxidation of MoS2
           coatings

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      Authors: Brittain; Kristine; Morina, Ardian; Yang, Liuquan; Neville, Anne
      Abstract: MoS2 based solid lubricants are extensively used in space applications, where the materials are exposed to large fluctuations of temperatures. Storage takes place in ambient conditions and so does testing, to test the mechanical systems in the harshest environments. In this work, the coatings were exposed to 40 °C, 75 °C and 250 °C for 1 hour and cooled in air to determine the effect of exposure to increased temperature.
      PubDate: 2022-02-01
       
  • Analysis of System Parameters on the Stick-Slip-Effect through Tribometer
           Tests and Finite Element Computations

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      Authors: Wittmaack; Martin; André, Markus; Molter, Jürgen
      Abstract: Brake fluids lubricate dynamic seals in automotive brake systems. Depending on the fluid, such seals tend to show a stick-slip effect, which may cause disturbing squeal noises. In order to avoid such stick-slip-noise in future systems, it is required to characterize and rate the frictional behavior of different brake fluids in an appropriate way. This paper presents a tribometer test that enables to investigate the stick-slip-effect depending on the brake fluid.
      PubDate: 2022-02-01
       
  • Nachrichten

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      Abstract: NachrichtenGesellscha 昀 fürTribologie e. V.Gesellscha 昀 fürTribologie e. V.Mitteilungen der GfTnd Anmeldung/Vortrags- und Posteranmeldung erfolgen in diesem Jahrüber die Webseite:/Registra 琀 on of papers and postersnd Posteranmeldung registration: Vortrags- erfolgen und in Posteranmeldung diesem Jahr erfolgen in diesem Jahrrmation via und website:eite:/Registra 琀 über on of Anmeldung/die papers Webseite:/Registra and posters 琀 on of papers and postersrmationnmeldung erfolgenand via website: registration:in diesem Jahregistra 琀 on www.
      PubDate: 2022-02-01
       
  • Patentumschau

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      Abstract: nswissenchwissentphilologienikationseSprachent\ Altuwesen\Tourismuslturwissen-Anglistik \WirtschaftPatentumschauDE102018127456A1B60B 27/00Wagner, Harald, 97422, Schweinfurt, DESchaeffler Technologies AG &Co. KG,91074 Herzogenaurach, DERadlagereinheitDie Erfindung betrifft eine Radlagereinheit umfassendein Radlager, mit einem Innenring mit Innenringlaufbahn,mit einem Außenring mit Außenringlaufbahn, undmit einer Mehrzahl von zwischen Innenring und Außenringangeordneten, in einem Käfig beabstandet gehaltenen,Wälzkörpern.
      PubDate: 2022-02-01
       
  • Normen

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      Abstract: nswissenchwissentphilologienikationsheSprachent\ Altauwesen\Tourismuslturwissen-Anglistik \WirtschaftNormen1 Normen der Schmierungstechnik1.1 Nationale Normen und Entwürfe1.1.1 DIN-Normenkeine1.1.2 Technische Lieferbedingungendes BAAINBwZ BAAINBw TL 9150-0074:2010-07Technische Lieferbedingungen – Schmierfett, Luftfahrzeug– NATO-Kode: ohne; Bw-Kode: GY3010Zurückgezogen, ersetzt durch BAAINBw TL 9150-0074:2021-07BAAINBw TL 9150-0074:2021-07Technische Lieferbedingungen – Schmierfett, Luftfahrzeug,NATO-Kode: ohne, Bw-Kode: GY3010Ersatz für BAAINBw TL 9150-0074:2010-07Z BAAINBw TL 9150-0085:2011-09Technische Lieferbedingungen …
      PubDate: 2022-02-01
       
 
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