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00639 INFLUENCE OF PACKING MATERIAL ON THE CORROSION RESISTANCE OF STAINLESS STEEL BOAT SHAFTING AND RELATED MATERIALS IN SEAWATER

Product Number: 51300-00639-SG
ISBN: 00639 2000 CP
Author: R. M. Kain, I. Dunoff
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$20.00
$20.00
Concerns about possible galvanic/crevice effects between graphite/PTFE composite type packing and stainless steel have been addressed. Natural seawater testing of simulated boat shaft/stuffing box assemblies revealed little difference in the overall crevice corrosion behavior of UNS S31603 when in contact with a graphite/PTFE composite or flax fiber type packing. While periodic rotation of the shaft showed some beneficial effect, the use of sacrificial zinc anodes was almost fially effective in preventing attack in 60-day tests. Keywords: crevice corrosion, galvanic effects, stainless steel, boat shaft, graphite, packing, seawater
Concerns about possible galvanic/crevice effects between graphite/PTFE composite type packing and stainless steel have been addressed. Natural seawater testing of simulated boat shaft/stuffing box assemblies revealed little difference in the overall crevice corrosion behavior of UNS S31603 when in contact with a graphite/PTFE composite or flax fiber type packing. While periodic rotation of the shaft showed some beneficial effect, the use of sacrificial zinc anodes was almost fially effective in preventing attack in 60-day tests. Keywords: crevice corrosion, galvanic effects, stainless steel, boat shaft, graphite, packing, seawater
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