The
continuing quest for increased product quality and reliability
requires a more thorough testing of materials, which includes
microstructural analysis. In addition, the analysis of increasing
complex composites and advanced materials is challenging the
adequacy of existing methods for specimen preparation. These
two factors have created a demand for improved preparation
and analysis techniques. Besides offering equipment and consumables
for this purpose, Buehler offers training courses for individuals
to obtain or improve their metallographic skills.
BUEHLER
established the Institute for Microstructural Analysis in
1989, offering both general courses at an introductory level
plus more specialized courses that focus on the needs of a
specific industry or technology. All courses stress supervised
hands on activities in the laboratory with just enough classroom
instruction to help the students understand the basic principles.
Courses are offered at the Buehler headquarters in Lake Bluff,
IL as well as the University of Birmingham in Edgbaston and at Instron in High Wycombe, UK.
In addition, workshops at various locations are organized
through Buehler GmbH in Dusseldorf, Germany and the Buehler
Asia-Pacific office in Hong Kong.
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Metallographic Techniques for Medical Devices
Due to the special challenges faced in the medical device industry, routine materials test methods do not work without modification or advanced techniques. The students of this class will prepare a variety of alloys commonly found in medical devices under the guidance of the instructor. Some manual preparation is required in order to understand the principles behind the process of developing semi-automatic preparation methods. The consistency and repeatability of preparation through semi-automatic specimen preparation is discussed and demonstrated on state-of-the-art equipment. After a lecture on etching techniques, and the optimal use of the metallograph, the structures of the materials are documented and entered into a laboratory notebook that is graded and returned to the students for future reference. Grain size determination, measurements and micro hardness indentation testing complete the course.
Specific Materials Discussed:
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CoCrMo
•
Elgiloy
•
316 L Stainless Steel
•
CP Titanium
•
Ti 6Al 4V
•
Zirconium
•
Tantalum
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Precious Metals
Students are encouraged to bring their own specimens.
Who Should Attend?
•
Technicians
•
Metallographers
•
Engineers and QA personnel interested in hands on sample preparation
Required Prerequisites
None, but some knowledge of metallography is advantageous
Learning Objectives
Upon completion of this course, you should be able to:
•
Select proper consumables and techniques for sectioning, mounting, grinding, polishing
•
Choose the correct etchant to reveal the structure and features for the alloy at hand
•
Document structures using light optical microscopes equipped with image capture cameras and software