member-academic-staff-he

יצחק עציון

יצחק עציון
פרופסור אמריטוס
טלפון:
+972-77-8872096
פקס:
+972-77-8875711
חדר: 335, LD

Former holder of the Yeshayahu Winograd Chair in Fluid Mechanics and Heat Transfer

Education

  • 1964 - B.Sc., in Aeronautical Engineering, Technion, I.I.T.
  • 1971 - M.Sc., in Aeronautical Engineering, Technion, I.I.T.
  • 1974 - Ph.D., in Aeronautical Engineering, Technion, I.I.T.

Research Interests

  • Hydrodynamic and Hydrostatic Lubrication.
  • Fluid Film Bearings and Seals.
  • Contact Adhesion and Friction of Rough Surfaces.
  • Laser surface texturing
  • Micro/Nano Tribology

Guest Appointments

  • Visiting Prof. U.C. Berkeley (1985-1986)
  • Visiting Scientist, Atomic Energy of Canada, Chalk River Nuclear Lab. (1982)
  • Senior Res. Assoc. NRC NASA LeRC Ohio (1979-1980)
  • Research Fellow Northwestern Univ. Ill. (1978)
  • Res. Assoc. NRC NASA LeRC Ohio (1975-1976)

Public Professional Activities

  • Head, Shamban Tribology Lab., Dept. of Mech. Engng., Technion (since 1991)
  • Assoc. Tech. Ed., Trans. ASME J. of Tribology (1990-1997)
  • Member (1994-1998) and Secretary (1999-2000), Executive Committee Tribology Division of the ASME
  • Member (2000-2002) and Chairman (2002-2003), Nomination and Oversight Committee Tribology Division of the ASME

Membership in Professional Societies

  • ASME Fellow
  • STLE Fellow
  • ITS

Honors and Awards

  • Academia Romana Traian Vuia Prize (1998)
  • The Hershel Rich Technion Innovation Award (1999)
  • Sanford Kaplan Prize in Creative management for 21st Century High Technology (2004)

  • W.R. Chang, I. Etsion and D.B. Bogy: An Elastic Plastic Model for the Contact of Rough Surfaces. J. Tribology, Trans ASME, Vol. 109, No. 2, April 1987, pp. 257-263.
  • H.M. Stanley, I. Etsion, and D.B. Bogy: Adhesion of Contacting Rough Surfaces in the Presence of Sub-Boundary Lubrication. J. Tribology, Trans. ASME, Vol. 112, No. 1, Jan. 1990, pp. 98-104.
  • Polycarpou and I. Etsion: Comparison of the Static Friction Sub-Boundary Lubrication Model with Experimental Measurements on Thin Film Disks. Tribology Transactions, Vol. 41, No. 2, April 1998, pp. 217-224.
  • Etsion, Y. Kligerman and G. Halperin: Analytical and Experimental Investigation of Laser-Textured Mechanical Seal Faces. Tribology Transactions, Vol. 42, No. 3, July 1999, pp. 511-516.
  • Y. Kligerman and I. Etsion: Analysis of the Hydrodynamic Effects in a Surface Textured Circumferential Gas Seal. Tribology Transactions, Vol. 44, No. 3, July 2001, pp. 472-478.
  • Ronen, I. Etsion and Y. Kligerman: Friction-Reducing Surface Texturing in Reciprocating Automotive Components. Tribology Transactions, Vol. 44, No. 3, July 2001, pp. 359-366.
  • D. W. Nitzan and I. Etsion: Adhesive Force: the Underlying Cause of the Disc Anchorage to the Fossa and/or Eminence in the Temporomandibular Joint - A New Concept. International Journal of Oral and Maxillofacial Surgery, Vol. 31, Feb. 2002, pp. 94-99.
  • M. Groper and I. Etsion: Reverse Flow as a possible Mechanism for Cavitation Pressure Build-up in a Submerged Journal Bearing. J. of Tribology, Trans. ASME, Vol. 124, No. 2, April 2002, pp. 320-326.
  • M. Varenberg, G. Halperin and I. Etsion: Different Aspects of the Role of Wear Debris in Fretting Wear. Wear, Vol. 252, July 2002, pp. 902-910.
  • I. Etsion and G. Halperin: A Laser Surface Textured Hydrostatic Mechanical Seal. Tribology Transactions, Vol. 45, No. 3, July 2002, pp. 430-434.
  • L. Kogut and I. Etsion: Elastic-Plastic Contact Analysis of a Sphere and a Rigid Flat. J. of Applied Mechanics, Trans. ASME. Vol. 69, No. 5, Sept. 2002, pp. 657-662.
  • G. Ryk, Y. Kligerman and I. Etsion: Experimental Investigation of Laser Surface Texturing for Reciprocating Automotive Components. Tribology Transactions, Vol.45, No. 4, Oct. 2002, pp. 444-449.
  • L. Kogut and I. Etsion: Adhesion in Elastic-Plastic Spherical Micro-Contact. J. of Colloid and Interface Science , 261, May 2003, pp. 372-378.
  • L. Kogut and I. Etsion: A Semi-Analytical Solution for the Sliding Inception of a Spherical Contact. J. of Tribology, Trans ASME , Vol. 125, No. 3, July 2003, pp. 499-506.
  • M. Varenberg, I. Etsion and G. Halperin: An Improved Wedge Calibration Method for Lateral Force in Atomic Force Microscopy. Review of Scientific Instruments , Vol. 74, July 2003, pp. 3362-3367.
  • V. Brizmer, Y. Kligerman and I. Etsion: A Laser Surface Textured Parallel Thrust Bearing. Tribology Transactions , Vol. 46, July 2003, pp. 397-403.
  • M. Varenberg, I. Etsion and G. Halperin: Cross-Talk Problems in Scanning-by-Probe Atomic Force Microscopy. Review of Scientific Instruments , Vol. 74, July 2003, pp. 3569-3571.
  • L. Kogut and I. Etsion: A Static Friction Model for Elastic-Plastic Contacting Rough Surfaces. J. of Tribology, Trans. ASME, Vol. 126, No. 1, January 2004 pp. 34-40

טריבולוגיה, ביו-טריבולוגיה וננו-טריבולוגיה, מודלים תאורטיים ועבודות ניסוי לפתרון בעיות מגע אדהזיה וחכוך בין משטחים. רכיבים מכניים - טריבולוגיים עתירי ידע. כל הנושאים הללו יכולים לשלב עיסוק בזרימה, דינמיקה, מעבר חום אלסטיות ופלסטיות אנליזה נומרית, בקרה וכו'.