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In this work, the wear resistance behavior of GG-25
gray cast iron was investigated. Three specimens with different
austempering time (120, 90 and 60 minutes) and one specimen,
which is not austempering, were used. With this manner it has
been tried to examine the effect of the parameters of austempering
process on each specimen. Pin-on-disc wear resistance test with
one loads (20N) on every specimens has been applied according to
of ASTM 99 standards. SEM to observe the microstructures
characterized the austempered specimens. In addition, brinnel
hardness test was applied. With the results of the wear resistance
test, as the austempering time increased, wear resistance also
increases.
International Iron & Steel Symposium
UDCS
Abdulsamet YILDIRIM
Yunus Türen
Hayrettin AHLATCI
Yavuz Sun
Mustafa GUÇLU
Hamza Serhat AYDEMIR
Mehmet Sami TAKVA