Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Analysis method for foil elongation size effect

A technology of size effect and analysis method, applied in the direction of analyzing materials, testing material strength using stable tension/pressure, measuring devices, etc., can solve the problem of high scrap rate, inability to use the best plastic state of foil, restricting foil forming Process application and development and other issues to achieve the effect of improving the yield

Pending Publication Date: 2021-11-30
SUZHOU UNIV OF SCI & TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, current high scrap rates are high for high surface area parts using foil forming processes
The main reason is that the existing method has a high error rate when analyzing the size effect of foil elongation, which leads to the fact that the best plastic state of the foil cannot be used in actual production, which seriously restricts the application and development of the foil forming process.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Analysis method for foil elongation size effect

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0018] Such as figure 1 As shown, according to a method for analyzing the size effect of foil elongation in a preferred embodiment of the present invention, the specific implementation is as follows:

[0019] Step 1: Determine the crystal structure type of the foil;

[0020] Step 2: Analyze and determine the time when the concentrated deformation zone is formed;

[0021] Step 3: Analyze and determine the dominant deformation of the foil;

[0022] Step 4: Determine the elongation of the foil according to the t / d value.

[0023] In the first step, the crystal structure of the foil is hexagonal close-packed lattice or face-centered cubic lattice.

[0024] In the second step, the concentrated deformation zone of the hexagonal close-packed lattice foil is formed early, and the concentrated deformation zone of the face-centered cubic lattice foil is formed late.

[0025] In the third step, the dominant deformation amount of the hexagonal close-packed lattice foil material is con...

Embodiment 1

[0028] Taking the TC1 foil with a grain size of about 3 μm, 5 μm, and 15 μm and a thickness of 50 μm as an example, the implementation process of the method proposed in the present invention to analyze the size effect of the elongation of the foil is described, as follows:

[0029] (1) Determine the crystal structure type of TC1 foil as a close-packed hexagonal crystal structure;

[0030] (2) The concentrated deformation zone of TC1 foil is formed early;

[0031] (3) The concentrated deformation of TC1 foil is the dominant deformation;

[0032] (4) The t / d value of the TC1 foil with a grain size of 15 μm is small, and the individual grain size is large.

[0033] Therefore, the TC1 foil with a grain size of 15 μm has a large amount of concentrated deformation and a large elongation.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Sizeaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses an analysis method for a foil elongation size effect. The problem that the error rate is high when the foil elongation size effect is analyzed through an existing method is solved. The method comprises the following steps: 1, determining the crystal structure type of the foil; 2, analyzing and determining the forming time of the concentrated deformation area; 3, analyzing and determining the main deformation of the foil; and 4, determining the elongation of the foil according to the t / d value. The method is suitable for accurate analysis of the elongation size effect of the metal foil with the thickness smaller than 100 microns, the selection of the high-plasticity foil is guided, and the yield of a large-specific-surface-area foil forming part is greatly improved.

Description

technical field [0001] The invention relates to the advanced manufacturing technology of micro parts with large specific surface area, in particular to a method for analyzing the size effect of foil elongation. Background technique [0002] With the intensification of the miniaturization trend of mechanical equipment, the requirements for the functional integration of fine parts are getting higher and higher. Among many micro-part manufacturing processes, the foil forming process has attracted attention due to its advantages of high production efficiency and high material utilization rate, and is especially suitable for the precision manufacturing of micro-parts with large specific surface areas such as fuel cell plates and corrugated plates. However, there is currently a high scrap rate when using foil forming processes to manufacture parts with large surface areas. The main reason is that the existing method has a high error rate when analyzing the size effect of the elon...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01N3/08G01N3/02G01B21/32
CPCG01N3/08G01N3/02G01B21/32G01N2203/0676G01N2203/0682
Inventor 马振武曹自洋卢金斌张元晶
Owner SUZHOU UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com