M.Sc. |
1991, Mechanical Engineering. Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa, Israel. Dissertation: “Development of a specimen for fracture toughness measurement in brittle materials”. Advisors: Prof. J. Tirosh and Prof. E. Altus. |
B.Sc. |
1982, Mechanical Engineering. Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa, Israel. |
Oct 2019 |
Yitzchak Yifrach*, Koby Ben Dahan, Erez Dahan Prediction Temperature and heat partition on tool-workpiece interface during slot milling of SAE1020 by using a experiments and finite elements simulations. The 15th Interdisciplinary Research Conference ORT Braude College October 23-24, 2019, Pastoral Hotel, Kfar Blum, Israel |
Oct 2018 |
Yitzchak Yifrach*, Mor Elgarisi: Development of cutting force and cutting power prediction program by finite element method (FEM) and experimental investigation for predicting cutting zone temperature in micro end milling machining of metals. The 14th Interdisciplinary Research Conference ORT Braude College October 17-18, 2018, Pastoral Hotel, Kfar Blum, Israel |
Oct 2017 |
Yitzchak Yifrach*, Mor Elgarisi: Developing a finite element model for predicting cutting zone temperature in micro-Grinding of ceramics and in slot (micro end milling) of Aluminum 6061-T6 The 13th Interdisciplinary Research Conference ORT Braude College October 25-26, 2017, Nahsolim Seaside Resort, Israel |
Oct 2017 |
Yitzchak Yifrach*, Mor Elgarisi: Developing a finite element model for predicting cutting zone temperature in micro slot Grinding of ceramics and in slot (micro end milling) of Aluminum 6061-T6 The 13th Interdisciplinary Research Conference ORT Braude College October 25-26, 2017, Nahsholim Seaside Resort, Israel |
Sep 2016 |
Yitzchak Yifrach*, Omri Levi, Elad Yehouda: Finite Element Model (FEM) Development and analyzing in end-milling process for cutting zone temperature prediction for metals and ceramic materials. The 12th Interdisciplinary Research Conference ORT Braude College September 28-29, 2016, Hagoshrim Hotel, Upper Galilee, Israel |
International conference papers |
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June 2022
|
Participation in the Erasmus Conference from 30 May to 3 June at the University of Leoben, Austria. During the conference I gave two seminars to Prof. Paul O’Leary (Chair of Automation University of Leoben) and his team in the following topics: 1. Prediction of cutting forces and temperatures in dry end milling operation in low carbon steel (SAE 1020) by experiments and modeling 2. Prediction temperatures in dry end milling operation dry end milling operation in low carbon steel (SAE 1020) by experiments and modeling |
Oct 2018 |
Participation in the Erasmus Conference from 19 October to 26 October at the University of Vidzeme Valmiera, Latvia. During the conference I gave two lectures: 1. Mechanisms of fatigue failure of materials and structures 2. Development a thermal-mechanical model in finite element method for predicting temperature and forces in the cutting zone by machining metals. |
June 2013 |
Yitzchak Yifrach*, Uri Ben-Hanan.: Cutting zone temperature and specific cutting energy measurement and evaluation in machining Metals and ceramic. 13th International Conference on Fracture June 16–21, 2013, Beijing, China |
International academic and research cooperation |
|
Dec 2006 |
Visiting the department of Mechanical Engineering at the Indian Institute of Technology Guwahati to check academic and research cooperation with the Ort Braude College. December 2006, Guwahati, India |
TEXTBOOKS (IN HEBREW) FOR ORT BRAUDE COURSES |
|
2005 |
Y. Yifrach, Introduction to Machine Design, 2005 |
2005 |
Y. Yifrach, Manufacturing Machining Processes, 2005 |
2005 |
Y. Yifrach, Machine Design, 2005 |
2004 |
Y. Yifrach, Manufacturing Process, 2004 |
2003 |
Y. Yifrach, Robotics, 2003 |
2001 |
Y. Yifrach, Computer Integrated Manufacturing (CIM), 2001 |
SELECTED LIST OF CONSULTING PROJECTS |
|
April 1999 |
Development of teaching program for undergraduate Courses in Statics, Dynamics, and Fluid mechanics. Customer: Ministry of Work, Israel |
May 1999 |
Thermal analysis for an antenna unit. Customer: Celletra, Yoqne’am Israel. |
May 1993 |
The behavior of stress intensity factor K1 in ceramic square plate with a central hole with a variable length crack caused by a unidirectional compression load. |
January 1995 |
Final report on program that carries out transformation on data files containing elevation points of whole Israel. The purpose of the program is to create files of 1degree * 1degree with a grid, by carrying out interpolation to calculate the required point whilst knowing 4 points in that surrounding area. Customer: Qualcomm Israel, Haifa |
April 1992 |
The behavior of stress intensity factor K1 on a channel beam with a variable length crack caused by a unidirectional compression load. Customer: Prof. J. Tiros, Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa Israel. |
Sep 1991 |
Effect of a soft layer on the stress intensity factor K1 of a transverse crack caused by a vertical compression load. Customer: Prof. M. Livne, Faculty of Structural Engineering, Technion – Israel Institute of Technology, Haifa |
REFEREED JOURNAL PAPERS |
|
1991 |
Tirosh, J., Altus, E., Yifrach, Y., 1992, “A new method for evaluating fracture toughness of brittle materials”, Int. J. Fracture 58:211-222. |
2014-2015 |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – A member of the ABET (“the Accreditation Board for Engineering and Technology”) Department work team. – A member of the EFQM (European foundation for quality management) Department work team. |
2013-2019 |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Consultant of the junior students of Mechanical Engineering |
2011-2017 |
ORT Braude College, Karmiel, Israel. Senior Nomination within Mechanical Engineering: – Supervisor of Strength and Materials Laboratory |
2010-2019 |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Consultant of the IDF students of direct B.Sc. degree Mechanical Engineering – A member of the committee dealing with the interrelations between the college and the IDF. |
2010-2014: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: A member of the college Quality Management committee |
2008-present: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Head of Design and Manufacturing studies. – Supervisor of Machine Design Element Project |
2008-2013: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – A member of the college teaching committee |
2008-2009: |
ORT Braude College, Karmiel, Israel. Nomination within Prof. Yohanan Arzi President, ORT Braude College: – A member of the college committee for improvement of Students Tutoring. |
2005-2009: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – A member of the faculty admission committee. |
2003-2008: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Consultant for the junior students of Mechanical Engineering – Supervisor of Machine Design Element Project |
2003-2005: |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Chairman of the CIM Development committee. |
1991-2001: |
Nazareth Illit College, Israel. – Head of Mechanical Engineering department and lecturer of Mechanical Engineering |
1988-1991: |
Technion – Institute of Technology, Haifa, Israel, and Faculty of Mechanical Engineering. – Teaching Assistant |
Academic Appointments
|
|
2014-2015 |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – A member of the ABET (“the Accreditation Board for Engineering and Technology”) Department work team. – A member of the EFQM (European foundation for quality management) Department work team. |
2013-2019 |
ORT Braude College, Karmiel, Israel. Nomination within Mechanical Engineering: – Consultant of the junior students of Mechanical Engineering |
2011-2017 |
ORT Braude College, Karmiel, Israel. Senior Nomination within Mechanical Engineering: – Supervisor of Strength and Materials Laboratory |
2010-2019 | |
1999-present |
Ort Braude College, Israel. Mechanical Engineering Department Undergraduate Courses: – Introduction to Machine Design – Machine Design elements – Machine Design Element Project – Robotics – Machining processes of Metals – Engineering mechanics of solids – Computer Integrated Design and Manufacturing Systems – Strength and Materials Laboratory |
2014- present |
Jerusalem College of Engineering – Azrieli, Israel. Lecturer in Mechanical Engineering Department Undergraduate Courses: – Introduction to Machine Design. – Machine Design elements – Principles and analysis of machining manufacturing technologies – Kinematics of mechanical mechanisms |
1999- 2015 |
ORT Braude College, Karmiel, Israel. Undergraduate Courses: – Materials and Mechanical Manufacturing Processes |
1999-2007
|
Ort Braude College, Israel. Industrial Management Engineering Department Undergraduate Courses: – Computer Integrated Design and Manufacturing Systems |
2003-2004 |
Ort Braude College, Israel. Electrical Engineering Department Undergraduate Courses: – Introduction to Robotics |
1991-2001 |
Nazareth Illit College, Israel. Mechanical Engineering Department Pre-Academic Courses: – Statics – Materials science for engineering – Strength of materials – Machine design – Supervisor of Machine Design Element Project Development of laboratories: – Set-up and Teaching of strength of materials Lab |
1993-present: |
Freelancer consultant. Computerized and analytical structure and strength analysis with the aid of finite element model software (ANSYS). A partial list of projects carried out during this period is attached. |
1999 |
Consulting: Development of teaching program for undergraduate Courses in Statics, Dynamics, and Fluid mechanics. Customer: Ministry of Work, Israel. |
1999 |
Consulting: Thermal analysis for an antenna unit. Customer: Celletra, Yoqne’am Israel. May 1999.
|
1995 |
Final report on program that carries out transformation on data files containing elevation points of whole Israel. The purpose of the program is to create files of 1degree * 1degree with a grid, by carrying out interpolation to calculate the required point whilst knowing 4 points in that surrounding area. Customer: Qualcomm Israel, Haifa |
1992 |
Consulting: The behavior of stress intensity factor K1 on a channel beam with a variable length crack caused by a unidirectional compression load. Customer: Prof. J. Tirosh, Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa Israel. April 1992. |
1992 |
Consulting: Analysis of stiffness and strength of composite material plates under bending load. Customer: Prof. E. Altus, Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa Israel. Feb 1992. |
1991 |
Consulting: Effect of a soft layer on the stress intensity factor K1 of a transverse crack caused by a vertical compression load. Customer: Prof. M. Livne, Faculty of Structural Engineering, Technion – Israel Institute of Technology, Haifa Israel. Sep 1991. |
1982-1988: |
Structural strength engineering, encompassing analysis, modeling, and testing of the Canard (small wing) and elements of the wing, in the framework of the IAI Lavi Combat Aircraft project. These structures are composed of metal and composite material structural elements. Stiffness, strength, manufacturing processes, weight, and price were analyzed for optimization using both analytical and numerical Methods. A finite element model (FEM) of the entire Canard was constructed by using NASTRAN software package. Within that I also took part in planning and testing canard and wing prototypes. |
2017 |
Jerusalem College of Engineering – Azrieli: An annual Excellence Certificate and Award for the year 2017 |
2017 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2016 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2016 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2015 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2014 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2013 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2013 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2012 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2013 |
Ort Braude College: Second award for the best proposal for efficiency in Quality Management. |
2013 |
Ort Braude College: Award for representing the college in long distance running races. |
2012 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2011 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2012 |
Ort Braude College: Award for the best proposal for efficiency in Quality Management. |
2008 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2007 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2006 |
Ort Braude College: An annual Excellence Certificate and Award for the year 2005 based on survey and performance reports, which monitor all year-long teaching, and service achievements and efforts. |
2006 |
Ort Braude College: Letter of distinction from the head of Industrial Management department, for completion the development and Upgrading the Computer Integrated Manufacturing (CIM) Lab. |
1995, 1996, 1997 |
Nazareth Illit College: 3 Excellency awards for the improvement of the Mechanical and Air-Conditioning Department. |
1983, 1986 |
Israel Aircraft Industry (IAI): 2 Excellency awards for working out technical solution leading to weight reduction of components on the Canard (small wing) of the Lavi Combat Aircraft project. |