JP6943052B2 - エアバッグ用鋼管のバースト試験方法 - Google Patents
エアバッグ用鋼管のバースト試験方法 Download PDFInfo
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- JP6943052B2 JP6943052B2 JP2017140215A JP2017140215A JP6943052B2 JP 6943052 B2 JP6943052 B2 JP 6943052B2 JP 2017140215 A JP2017140215 A JP 2017140215A JP 2017140215 A JP2017140215 A JP 2017140215A JP 6943052 B2 JP6943052 B2 JP 6943052B2
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- steel pipe
- burst
- internal pressure
- pressure
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Description
(計算バースト圧)=2×TS×WT/ID
ここで、TSは引張強度、WTは肉厚、IDは内径である。
1 鋼管
2,3 蓋
4 導入管
Claims (2)
- 管端を封口した鋼管に加圧装置によって液体を注入して前記鋼管の内圧を上昇させ、前記鋼管が破裂するときの内圧を測定するエアバッグ用鋼管のバースト試験方法であって、
前記鋼管の内圧の時間変化が、前記内圧の上昇開始以降、下に凸であり、
塑性域における平均ひずみ速度が1×10−3/sec以上であり、
平均昇圧速度が100MPa/sec以上である、試験方法。 - 請求項1に記載の試験方法であって、
前記加圧装置は、油圧シリンダーである、試験方法。
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JP2019020301A JP2019020301A (ja) | 2019-02-07 |
JP6943052B2 true JP6943052B2 (ja) | 2021-09-29 |
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CN114047073B (zh) * | 2021-11-13 | 2024-08-06 | 内蒙航天动力机械测试所 | 一种大型压力容器封头外压应变测试系统与方法 |
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JPS5564751U (ja) * | 1978-10-27 | 1980-05-02 | ||
JP3137530B2 (ja) * | 1994-04-15 | 2001-02-26 | 三菱重工業株式会社 | 歪み速度コントロール装置 |
US6086094A (en) * | 1998-04-22 | 2000-07-11 | Trw Inc. | Air bag inflator |
JP2001088653A (ja) * | 1999-07-21 | 2001-04-03 | Nippon Koki Co Ltd | ガス発生器 |
JP4197590B2 (ja) * | 2001-12-05 | 2008-12-17 | 住友金属工業株式会社 | 高強度高靱性エアバッグ用鋼管と蓄圧器 |
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