Fracture failure of connection pipe of truck diesel engine oil-collector

Zhi-wei Yu; Xiao-lei Xu; Cun-jie Li

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Fracture failure of connection pipe of truck diesel engine oil-collector

机译：汽车柴油机集油器连接管断裂故障

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A connecting-pipe of oil-collector used in truck diesel engine cracked when performing a trial running of engine (Fig. 1). The connecting-pipe is made of ASTM 1020 grade steel, the specified chemical composition being (wt.%) C: 0.18-0.23, Mn: 0.30-0.60, P <= 0.040, S <= 0.050, Si: 0.15-0.35, Fe: balance). The external surface of connecting-pipe was galvanized. The connecting-pipe (slight curved, shown as illustration in Fig. 1) was jointed with the flange by point-welding, then brazing.

机译：试车发动机时，用于卡车柴油机的集油器连接管破裂（图1）。连接管由ASTM 1020级钢制成，规定的化学成分为（wt。％）C：0.18-0.23，Mn：0.30-0.60，P <= 0.040，S <= 0.050，Si：0.15-0.35，铁：平衡）。连接管的外表面镀锌。连接管（略弯曲，如图1所示）通过点焊与法兰连接，然后进行钎焊。

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来源
《Engineering failure analysis》 |2011年第1期|共6页
作者
Zhi-wei Yu; Xiao-lei Xu; Cun-jie Li;
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原文格式 PDF
正文语种 eng
中图分类工程力学;
关键词
Fatigue fracture; Connecting-pipe of oil-collector; Point-welding; Inclusion cluster; Shrinkage cavity;

机译：疲劳断裂;集油器连接管;点焊;夹杂物簇;缩孔;

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1. Fracture failure of connection pipe of truck diesel engine oil-collector [J] . Zhi-wei Yu, Xiao-lei Xu, Cun-jie Li Engineering failure analysis . 2011,第1期

机译：汽车柴油机集油器连接管断裂故障
2. Fatigue failure of high-pressure oil-pipes of truck diesel engine [J] . Yu Haixuan, Xu Xiao-lei Engineering failure analysis . 2019,第期

机译：卡车柴油机高压油管的疲劳失效
3. Fatigue Fracture of Truck Diesel Engine Connecting-Rods [J] . Zhi-wei Yu, Xiao-lei Xu Journal of Failure Analysis and Prevention . 2015,第2期

机译：车用柴油机连杆疲劳断裂
4. An Investigation About Failure in Diesel Engine Connecting Rods Manufactured by Fracture Splitting Process [C] . Rubens Cioto, Andre Renato Collares, Cesar Henrique Zuffo, SAE Brasil International Congress and Display . 2013

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Fracture failure of connection pipe of truck diesel engine oil-collector

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