The effect of blade thickness on microstructure and mechanical properties of ship sand-cast propeller

被引：1
|
作者：
Piaseczny, Leszek [1 ]
Rogowski, Krzysztof [1 ]
机构：
[1] Polish Naval Univ, Mech Elect Fac, PL-81103 Gdynia, Poland
来源：
POLISH MARITIME RESEARCH | 2007年 / 14卷 / 04期
关键词：
blade thickness; microstructure; sand-cast propeller;
D O I：
10.2478/v10012-007-0034-9
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The microstructure and resultant mechanical properties of the MM55 manganese brass applied to ship sand - cast propeller were investigated in relation to the propeller blade section thickness. It was stated that the increase of blade section thickness from 15 mm to 45 mm resulted in the increase of the volume fraction of a-phase by 5.3% and that of K-phase by 23.7%, the decrease of the volume fraction of beta-phase by 2.9%, the 0.2% proof stress R-0.2 by 11.3%, the ultimate tensile strength R-m by 5.5% and the 5.65 root S-o elongation A(5) by 16.8%.
引用
收藏
页码：15 / 17
页数：3
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