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Formable lightweight composite systems and methods

A composite material and lightweight technology, applied in chemical instruments and methods, electronic equipment, synthetic resin layered products, etc., can solve the problems of different cost and performance requirements, performance and cost requirements, etc.

Inactive Publication Date: 2018-03-16
PRODIVE RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, cost and performance requirements vary across technology areas, or even between different applications within the same technology area, so providing a "universal" material system is a challenge

Method used

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  • Formable lightweight composite systems and methods
  • Formable lightweight composite systems and methods

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0150] About 15 vol% of low carbon steel fibers with a diameter of about 4 to about 40 μm and a length of about 1 to about 10 mm and 85 vol% of a copolyamide composed of about 50 wt.% nylon 6 and about 50 wt.% nylon 6,9 (the copolymer's The characteristics are: the modulus of elasticity measured according to ISO 527-2 is about 300 MPa, the melting point measured according to ISO 11357 is about 130 ° C and the elongation at break according to ISO 527-3 is about 900%. ) mixed to prepare filled thermoplastic polymer material. The filled thermoplastic material is mixed at a temperature of about 190°C to about 250°C. The filled thermoplastic material was then placed between two mild steel plates, each of which was approximately 0.2mm thick. Then, pressing at a temperature of about 200° C. to about 230° C. and a pressure of about 1 to about 22 MPa. The thickness of the thermoplastic core layer in the composite is about 0.4 mm. The composites were stamped under high speed stamping...

example 2

[0152] A composite material was prepared using the same materials, composition and method as in Example 1, except that low carbon steel fibers having a rectangular cross-section in the direction perpendicular to the fiber length direction were used instead of the fibers in Example 1.

[0153] The average length of the fibers is about 2.3mm. The average cross-sectional area of ​​the fibers is about 0.0045mm 2 . The width-to-thickness ratio of the fibers is about 2-8. The thickness of the composite material is about 0.8mm. The composite material was laminated with cold-rolled steel samples with a thickness of approximately 0.8 mm. Place this combination between a pair of welding electrodes approximately 13mm in diameter in a spot welder. Apply a force of approximately 2.2 kNt to the welding electrode. Under the condition of 2.2kNt force, the resistivity of the composite material in the through-thickness direction was measured. The resistivity of the composite material of E...

example 3

[0155] A composite material was prepared using the same materials, composition and method as in Example 1, except that the metal plate was replaced by a 0.2 mm thick high-strength steel plate with a yield strength of about 350 MPa, a tensile strength of about 460 MPa and an elongation of about 22%. The composite is expected to have a yield strength of about 193 MPa, a tensile strength of about 253 MPa, and an elongation of about 22%. It was calculated that the density of the composite material is approximately 34% lower than that of a monolithic mild steel plate of the same thickness (approximately 0.8 mm). It is calculated that the yield strength of the composite material is about 50MPa or more higher than that of the whole low carbon steel plate of the same thickness. The tensile strength of the composite material is calculated to be at least about 90% that of a monolithic mild steel plate of the same thickness. The composite material has been calculated to have a flexural ...

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Abstract

The invention relates to a filled polymer material (16) comprising a polymer (18) and metal fiber bundles (20) distributed in the polymer, to a lightweight composite material (10, 12) comprising a pair of metal A layer (14) and a polymer layer sandwiched between the pair of metal layers (14), the polymer layer comprising a filled polymer material (18). The composite material of the present invention can be formed at room temperature by using traditional stamping equipment. The composite material of the present invention can also be welded to other metal materials by resistance welding process, such as resistance spot welding. The composite material has the following characteristics: the metal fiber is a ribbon-shaped fiber; the polymer is selected from polyolefin, polyamide or their combination, and the metal layer (such as one or two layers in a pair of metal layers) has a facing filler polymer materials and untreated surfaces.

Description

[0001] Benefits of requesting a filing date [0002] The present invention claims the benefit of U.S. Provisional Patent Applications US 61 / 304,640 (Mizrahi et al. filed on February 15, 2010), US 61 / 371,360 (Mizrahi et al. filed on August 6, 2010), US 61 / 377,599 (Mizrahi et al. filed on August 2010). filed on September 27) and US 61 / 387,164 (Mizrahi filed on September 28, 2010), the contents of which are incorporated by reference in this application in their entirety. technical field [0003] The present invention relates generally to fiber-filled polymer materials, and to composite materials comprising layers of fiber-filled polymer material, in particular to sandwich composite materials comprising layers of fiber-filled polymer and metal layers. Background technique [0004] International Patent Application Publication WO 2010 / 021899 (filed by Mizrahi on February 25, 2010 and incorporated by reference in its entirety) describes unique and lightweight new composite materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/08B32B15/18B32B27/20C08J5/04C08J5/10C08L23/08C08K7/06
CPCB32B15/08B32B15/18B32B27/20C08J5/041C08J5/10C08K7/06B32B2307/714B32B2307/51B32B2307/302B32B2264/105B32B2262/103B32B2307/10B32B2307/202B32B2250/40B32B2607/00B32B2605/08B32B2419/00B32B2457/00C08L23/08B32B15/02B32B27/32B32B27/34C08J2323/00C08J2377/00C08L23/0815C08L77/00C08L2205/02B32B2255/06B32B2255/20B32B2262/14B32B2270/00B32B2274/00B32B2605/00B32B15/085C08L23/06C08J2323/06B32B2307/514B32B2323/046B32B2250/03B32B2305/08B32B2398/20
Inventor S·米兹拉西M·纳基斯
Owner PRODIVE RES
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