4 CALCULATING ELONGATION - ASTM D 522 (continued)
If necessary, adjust for coating thickness; add the correction value
obtained from the curve in Figure 3
obtained from the curve in Figure 2
Figure 3. Crack length versus % elongation correction value -
5 CARE & MAINTENANCE
The Elcometer 1510 Conical Mandrel Bend Tester is designed to
give many years reliable service under normal operating and
storage conditions.
Periodically, clean the mandrel using a cloth slightly dampened
with oil.
a. The curves shown in Figure 2 and Figure 3 are reproduced from ASTM D 522
www.elcometer.com
per 25 µm (1 mil) coating thickness
to the percentage elongation
a
.
a
R
en-6