ARMY MIL-DTL-32378-2012 LAMINATE UNIDIRECTIONAL REINFORCED CROSS-PLIED ARAMID FIBER PLASTIC ARMOR MATERIAL.pdf
《ARMY MIL-DTL-32378-2012 LAMINATE UNIDIRECTIONAL REINFORCED CROSS-PLIED ARAMID FIBER PLASTIC ARMOR MATERIAL.pdf》由会员分享,可在线阅读,更多相关《ARMY MIL-DTL-32378-2012 LAMINATE UNIDIRECTIONAL REINFORCED CROSS-PLIED ARAMID FIBER PLASTIC ARMOR MATERIAL.pdf(21页珍藏版)》请在麦多课文档分享上搜索。
1、 INCH-POUND MIL-DTL-32378 27 April 2012 DETAIL SPECIFICATION LAMINATE: UNIDIRECTIONAL, REINFORCED, CROSS-PLIED, ARAMID FIBER, PLASTIC ARMOR MATERIAL This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers an a
2、ramid cross-plied unidirectional fiber-reinforced plastic laminate for use in composite armor systems. 1.2 Classification. Laminates will be of the class and type specified (see 6.2): 1.2.1 Classes. 1.2.1.1 Class A. Homopolymer polypropylene resin. 1.2.1.2 Class B. Aqueous thermoplastic polyurethane
3、. 1.2.2 Types. 1.2.2.1 Type 1. Flat, low pressure (Compression molding) (500 -1000 psi). 1.2.2.2 Type 2. Flat, high pressure ( 1000 psi). Comments, suggestions, or questions on this document should be addressed to: Director, U.S. Army Research Laboratory, Weapons and Materials Research Directorate,
4、Materials and Manufacturing Technology Branch, Specifications and Standards Office, Attn: RDRL-WMM-D, Aberdeen Proving Ground, MD 21005-5069 or emailed to richard.j.squillacioti.civmail.mil. Since contact information can change, you may want to verify the currency of this address information using t
5、he ASSIST Online database at https:/assist.daps.dla.mil/. AMSC N/A AREA CMPS DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32378 2 2. APPLICABLE DOCUMENTS 2.1
6、General. The documents listed in this section are specified in sections 3, 4 or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the comp
7、leteness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4 or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, s
8、tandards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-44050 - Cloth, Ballistic, Aramid MIL-DTL-46593 - Projectile, Ca
9、libers .22, .30, .50, and 20mm, Fragment Simulating DEPARTMENT OF DEFENSE STANDARDS MIL-STD-662 - V50 Ballistic Test for Armor. MIL-STD-810 - Environmental Engineering Considerations and Laboratory Testing. (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or
10、 from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings and publication form a part of this document to the extent specified herein.
11、Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. CODE OF FEDERAL REGULATIONS (CFR) 21 CFR 177.1520 - Olefin Polymers (Copies of these documents are available from www.gpoaccess.gov/cfr/index.html or U.S. Government Printing Office, P.O. Box 9
12、79050, St. Louis, MO 63197-9000.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32378 3 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the is
13、sues of these documents are those cited in the solicitation or contract. ASTM INTERNATIONAL ASTM D123 - Standard Terminology Relating to Textiles ASTM D790 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials ASTM D1238 - Standar
14、d Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer ASTM D1777 - Standard Test Method for Thickness of Textile ASTM D1907 - Standard Test Method for Linear density of Yarn (Yarn Number) by the Skein Method ASTM D2563 - Standard Practice for Classifying Visual Defects in Glas
15、s-Reinforced Plastic Laminate Parts ASTM D3776/D3776M - Standard Test Method for Mass per Unit Area (Weight) of Fabric ASTM D7269/D7269M - Standard Test Methods for Tensile Test of Aramid Yarns (Copies of the above documents are available from www.astm.org or ASTM International, 100 Barr Harbor Driv
16、e, West Conshohocken, PA 19428-2959. 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes appl
17、icable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.2 Materials. Materials used shall be in accordance with the manufacturers material
18、s specifications for aramid fabrics. The materials shall be capable of meeting all the operational and environmental requirements specified herein. 3.2.1 Fiber. 3.2.1.1 Class A fiber. The para-aramid yarn used shall be continuous filament, with no air entanglement or texturing and no added twist exc
19、ept for the mild fiber entanglement in the splicing segment of two continuous filament yarns caused by a spool change on a creel, and have the following properties as spun and as specified in Table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
20、IL-DTL-32378 4 3.2.1.2 Class B fiber. The para-aramid yarn used shall be continuous filament, with no air entanglement or texturing and no added twist except for the mild fiber entanglement in the splicing segment of two continuous filament yarns caused by a spool change on a creel, and have the fol
21、lowing properties as spun and as specified in Table I. 3.2.2 Resin. 3.2.2.1 Class A resin. The raw resin input shall be a nucleated homopolymer polypropylene with a nominal melt mass flow rate of 33-37 g/10 minutes per ASTM D1238 (2.16 kg sample / 230C). The resin shall be acceptable for food contac
22、t per U.S. Food and Drug Administration 21 CFR 177.1520. This requirement is to ensure that the purity of the resin is maintained. The resin content shall be 172% by laminate weight. The resin shall be applied to the fibers at or above its melting temperature and below 525F (274C). The neat resin fl
23、exural modulus in injection molded coupons shall be 200-400 ksi when measured per ASTM D790 at 72F. Table I. Fiber properties, as spun. PROPERTIES CLASS A CLASS B Nominal filament diameter, as measured by photomicrography or calculated from nominal yarn denier, filament count and fiber density 12 1
24、micrometers 12 - 15 micrometers Denier per Option 1 of ASTM D1907, assuming 4.5% moisture regain 2820 54 3050 150 Tenacity per denier per ASTM D7269/D7269M, tested using 1.1 twist multiplier 24.6 2.2 gpd 22.9 2.1 gpd Modulus per denier per ASTM D7269/D7269M, tested using 1.1 twist multiplier 635 100
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ARMYMILDTL323782012LAMINATEUNIDIRECTIONALREINFORCEDCROSSPLIEDARAMIDFIBERPLASTICARMORMATERIALPDF
![提示](http://www.mydoc123.com/images/bang_tan.gif)
链接地址:http://www.mydoc123.com/p-443613.html