Search
Filters
Close

00530 A TEST METHOD TO EVALUATE HIGH TEMPERATURE CORROSION

Product Number: 51300-00530-SG
ISBN: 00530 2000 CP
Author: H.M. Abi-Akar
$0.00
$20.00
$20.00
Oxidation and corrosion testing were conducted on three commercial high temperature alloys used in heavy-duty engine applications. The tests were conducted at 700 to 900 o C under environments of water vapor and sulfur dioxide and in mixtures of salts. The corrosion was found to be highly dependent on the test temperature as well as on the salt composition. At 900°C the depth of corrosive attack was much higher than that at 700°C under the same test conditions, and salt mixtures containing sodium sulfate were more corrosive than those of calcium sulfate only. A cyclic oil and ash immersion test was developed wherein the samples were immersed in engine oil and heated to 750 o C to ash the oil. The samples were then removed from the furnace, allowed to cool slightly and the cycle repeated two more times to allow ash to accumulate on the samples. The samples were then heated for 48 hours. The corrosion performance resulting from this test was similar to that observed in service applications. This test can be further utilized to facilitate the materials selection of high temperature alloys for possible applications in heavy-duty engines. The test can also be used to discriminate between engine lubricants and their compatibility with alloys exposed to high temperatures.

Keywords: High Temperature Corrosion, Oil and ash immersion test
Oxidation and corrosion testing were conducted on three commercial high temperature alloys used in heavy-duty engine applications. The tests were conducted at 700 to 900 o C under environments of water vapor and sulfur dioxide and in mixtures of salts. The corrosion was found to be highly dependent on the test temperature as well as on the salt composition. At 900°C the depth of corrosive attack was much higher than that at 700°C under the same test conditions, and salt mixtures containing sodium sulfate were more corrosive than those of calcium sulfate only. A cyclic oil and ash immersion test was developed wherein the samples were immersed in engine oil and heated to 750 o C to ash the oil. The samples were then removed from the furnace, allowed to cool slightly and the cycle repeated two more times to allow ash to accumulate on the samples. The samples were then heated for 48 hours. The corrosion performance resulting from this test was similar to that observed in service applications. This test can be further utilized to facilitate the materials selection of high temperature alloys for possible applications in heavy-duty engines. The test can also be used to discriminate between engine lubricants and their compatibility with alloys exposed to high temperatures.

Keywords: High Temperature Corrosion, Oil and ash immersion test
PRICE BREAKS - The more you buy, the more you save
Quantity
1+
5+
Price
$20.00
$20.00
Product tags
Also Purchased
Picture for 00527 MATERIALS PERFORMANCE IN HIGH-TEMPERATURE
Available for download

00527 MATERIALS PERFORMANCE IN HIGH-TEMPERATURE ENVIRONMENTS - MAKING THE CHOICE

Product Number: 51300-00527-SG
ISBN: 00527 2000 CP
Author: Peter Elliott
$20.00
Picture for 00478 A CORROSION ENGINEERING TRAINING MODEL
Available for download

00478 A CORROSION ENGINEERING TRAINING MODEL

Product Number: 51300-00478-SG
ISBN: 00478 2001 CP
Author: P.R. Roberge, E. Ghali
$20.00
Picture for 00152 CORROSION PERFORMANCE OF 13CR STAINLESS
Available for download

00152 CORROSION PERFORMANCE OF 13CR STAINLESS STEELS

Product Number: 51300-00152-SG
ISBN: 00152 2000 CP
Author: Trond Rogne, John M. Drugli, Ole Oystein Knudsen, Stein Olsen and Jakob Enerhaug
$20.00