Donald Cohen

Surface Metrology/Tribology

11
active courses
3
removed courses
Apr 2020
first content date
May 2022
last content date
Donald Cohen
761
total students
55
total reviews
4.73
average rating
30
total content length

Courses

4. Wear Mechanisms, Measurement and Specification

4. Wear Mechanisms, Measurement and Specification

8
students
1.5 hours
content
Oct 2021
updated
$19.99
8. Surface Energy, Wetting & Surface Roughness

8. Surface Energy, Wetting & Surface Roughness

10
students
38 mins
content
Oct 2021
updated
$19.99
9. Seals, Sealing, & Surface Finish

9. Seals, Sealing, & Surface Finish

11
students
1 hour
content
Oct 2021
updated
$19.99
5. Dry Friction (Sliding Friction)

5. Dry Friction (Sliding Friction)

8
students
1.5 hours
content
Oct 2021
updated
$29.99
Surface Roughness, Texture, and Tribology Full Course

Surface Roughness, Texture, and Tribology Full Course

2
students
11.5 hours
content
May 2022
updated
$199.99
3. Surface Roughness Parameters

3. Surface Roughness Parameters

18
students
2 hours
content
Oct 2021
updated
$29.99
6. Lubricated Friction

6. Lubricated Friction

7
students
1.5 hours
content
Oct 2021
updated
$29.99
7. Rolling Friction

7. Rolling Friction

7
students
35 mins
content
Oct 2021
updated
$19.99