JP4122267B2 - 防音材及びその製造方法 - Google Patents
防音材及びその製造方法 Download PDFInfo
- Publication number
- JP4122267B2 JP4122267B2 JP2003271412A JP2003271412A JP4122267B2 JP 4122267 B2 JP4122267 B2 JP 4122267B2 JP 2003271412 A JP2003271412 A JP 2003271412A JP 2003271412 A JP2003271412 A JP 2003271412A JP 4122267 B2 JP4122267 B2 JP 4122267B2
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- JP
- Japan
- Prior art keywords
- metal piece
- metal
- aluminum
- aluminum alloy
- soundproofing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Powder Metallurgy (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
金属片の比重G=G1 ×C1 +G2 ×C2 +・・・+Gn×Cn・・・式1
防音材Aの空隙率(%)=100×(1−W1 /W0 )・・・式2
所定金属からなる金属片の防音材A中における含有率Cn=W2 /W1 ・・・式3
金属片の比重G=2.68×0.8+2.66×0.2
=2.676
A 防音材
B アルミニウム成形体又はアルミニウム合金の成形体
D 回転鋸
Claims (2)
- アルミニウム成形体又はアルミニウム合金の成形体を回転鋸によって切削加工した時に発生する切削屑からなり、且つ、幅2〜3mm、長さ3〜20mm、厚み0.05〜0.16mmのアルミニウム金属片又はアルミニウム合金の金属片を堆積させて板状に圧縮成形して金属片を互いに交絡させてなる多孔質状の防音材であって、上記金属片は、軸の周りを円運動しながら軸方向に移動する点の描く空間曲線状に形成された金属片を60重量%以上含有していることを特徴とする防音材。
- アルミニウム成形体又はアルミニウム合金の成形体を回転鋸によって切削加工した時に発生する切削屑であって且つ幅2〜3mm、長さ3〜20mm、厚み0.05〜0.16mmであると共に、軸の周りを円運動しながら軸方向に移動する点の描く空間曲線状に形成された金属片を60重量%以上含有するアルミニウム金属片又はアルミニウム合金の金属片を成形枠内に堆積させた後、上記金属片を上下方向から圧縮して上記金属片を変形させつつ互いに交絡一体化させて板状に成形することを特徴とする防音材の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003271412A JP4122267B2 (ja) | 2003-07-07 | 2003-07-07 | 防音材及びその製造方法 |
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JP2003271412A JP4122267B2 (ja) | 2003-07-07 | 2003-07-07 | 防音材及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005031463A JP2005031463A (ja) | 2005-02-03 |
JP4122267B2 true JP4122267B2 (ja) | 2008-07-23 |
Family
ID=34209294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003271412A Expired - Fee Related JP4122267B2 (ja) | 2003-07-07 | 2003-07-07 | 防音材及びその製造方法 |
Country Status (1)
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JP (1) | JP4122267B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007219359A (ja) * | 2006-02-20 | 2007-08-30 | Tottori Univ | 流体音低減装置 |
CN105057676B (zh) * | 2015-08-12 | 2017-05-17 | 广州橙行智动汽车科技有限公司 | 具有表面网状烧结覆膜结构的金属纤维多孔材料及制造方法 |
JP7010105B2 (ja) * | 2018-03-23 | 2022-01-26 | 三菱マテリアル株式会社 | 金属多孔体 |
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2003
- 2003-07-07 JP JP2003271412A patent/JP4122267B2/ja not_active Expired - Fee Related
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JP2005031463A (ja) | 2005-02-03 |
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