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요약정보
铋在石油射孔弹药型罩中的作用 / Effect of Bismuth on Metal-powder-liner of Petrol Shaped-charge
Resource Type
Academic Journal
Authors
郭圣延
;
曾新吾
Source
测井技术 / WELL LOGGING TECHNOLOGY
. 26(4):338-340
Subject
石油射孔弹
药成份
药型罩
射流
铋
Language
Chinese
ISSN
1004-1338
Online Access
Scopus
Find it @ DONGA
초록
铋是一种声速不高(1.771km/s),密度适中(9.8g/cm3)的低熔点材料(271.4℃).传统的石油射孔弹是铜钨基药型罩,在其配方的基础上,添加适量的铋,可以明显提高石油射孔弹的穿深、增大孔径,还能有效地抑制孔道的不规则程度,提高产品的稳定性.通过对比实验和理论分析,探讨了铋在药型罩成型、射流形成和拉伸以及穿靶各个阶段的作用.提出了含铋的药型罩形成的射流处于固液混合态的观点,是铋在药型罩中起作用的原因.
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