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Alloys exhibiting spinodal glass matrix microconstituents structure and deformation mechanisms

A technology of metastable glass and microstructure, applied in the field of metal composition

Inactive Publication Date: 2013-07-31
THE NANO CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inherent inability of these classes of materials to deform in tension at room temperature may be a relative limiting factor for potential structural applications where inherent ductility may be required to avoid catastrophic failure.

Method used

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  • Alloys exhibiting spinodal glass matrix microconstituents structure and deformation mechanisms
  • Alloys exhibiting spinodal glass matrix microconstituents structure and deformation mechanisms
  • Alloys exhibiting spinodal glass matrix microconstituents structure and deformation mechanisms

Examples

Experimental program
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Effect test

Embodiment 1

[0087] For commercial processing studies, the alloys listed in Table 1 were fabricated at commercial purity (up to 10 at % impurities) using various iron additions selected to minimize alloy cost and other readily commercially available components. In Table 7, a summary of the alloys used in commercial production trials is provided. A description of the resulting commercial product form is provided in Table 8, including the physical dimensions and overall length produced. Figure 1 to Figure 12 Additional examples of products for each alloy type are provided in .

[0088] Table 7 Summary of alloys used in commercial production trials

[0089] Alloy No.

demonstration production method

Alloy 1

Plane Casting

Alloy 2

Taylor-Ulitovsky process

Alloy 3

Taylor-Ulitovsky process

Alloy 4

Taylor-Ulitovsky, planar flow casting

Alloy 5

Taylor-Ulitovsky process

Alloy 6

Planar flow casting, Taylor-Ulitovsky proce...

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Abstract

An alloy composition comprising iron present in the range of 49 atomic percent (at %) to 65 at %, nickel present in the range of 10.0 at % to 16.5 at %, cobalt optionally present in the range of 0.1 at % to 12 at %, boron present in the range of 12.5 at % to 16.5 at %, silicon optionally present in the range of 0.1 at % to 8.0 at %, carbon optionally present in the range of 2 at % to 5 at %, chromium optionally present in the range of 2.5 at % to 13.35 at %, and niobium optionally present in the range of 1.5 at % to 2.5 at %, wherein the alloy composition exhibits spinodal glass matrix microconstituents when cooled at a rate in the range of 103K / s to 104K / s and develops a number of shear bands per linear meter in the range of greater than 1.1 x102 m-1 to 107 m-1 upon application of a tensile force applied at a rate of 0.001s-1.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application Serial No. 61 / 348,823, filed May 27, 2010, the teachings of which are incorporated herein by reference. technical field [0003] The present application relates to metallic compositions capable of developing plasticity at room temperature by triggering the formation of a metastable glass matrix microstructural structure and an associated number of shear bands per linear unit. Background of the invention [0004] Despite having a desirable combination of properties such as high hardness, high tensile stress, and high fracture strength, the practical applications of metallic glasses and nanomaterials have been relatively limited. A problem that arises in both material classes is that these materials may exhibit a relatively brittle response. Commercial applications of these material classes have been facilitated by exploiting their soft and hard magnetic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C37/10C22C38/10C22C38/08C22C38/00C22C38/54C22C30/00
CPCC22C38/54C22C38/002C22C38/02C22C38/105C22C45/02C22C38/52C22C38/08
Inventor D·J·布拉纳甘B·E·米查姆J·K·瓦利塞J·周A·塞古伊瓦
Owner THE NANO CO INC