Low temperature treatment-vibration aging combined residual stress homogenization method
A residual stress and vibration aging technology, applied in the field of residual stress homogenization of metal workpieces or blanks, and cold vibration composite residual stress homogenization, can solve the problem of limited effect, and achieve the effect of reducing the cost of thermal action and shortening the processing time.
Active Publication Date: 2015-01-07
BEIHANG UNIV
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0008] The purpose of the present invention is to provide a method for homogenizing residual stress combined with cold vibration, which uses the composite effect of low temperature and vibration aging to solve the problem of limited effect of existing vibration aging technology, so as to obtain small processing deformation, stable service size and high Workpieces with fatigue life
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0034] See figure 1 , a method for homogenizing cold vibration composite residual stress described in the present invention, the specific steps of the method are as follows:
[0035] Step 1: According to the residual stress test experience in production practice or combined with computer numerical simulation technology, analyze the residual stress distribution law of aging parts, and select the specific reference position of aging parts;
[0036] Step 2: In order to evaluate the effect of residual stress homogenization, for the specific reference position of the aging parts selected in step 1, carry out the residual stress test and the size and shape measurement before the cold-vibration composite aging;
[0037] Step 3: Analyze the material and structural shape of aging parts, formulate relevant process flow, and select process parameters such as low temperature, excitation force, excitation frequency, excitation position, support position and working time;
[0038] Step 4: ...
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
Login to view more Abstract
The invention discloses a low temperature treatment-vibration aging combined residual stress homogenization method. The low temperature treatment-vibration aging combined residual stress homogenization method comprises the following steps of 1, analyzing distribution of residual stress of an aged workpiece to obtain an integral level of residual stress, 2, determining an application method for evaluation on residual stress homogenization effects and carrying out a low temperature treatment-vibration aging combined aging pre-test, 3, making low temperature treatment and vibration aging implementation plans of the low temperature treatment-vibration aging combined residual stress homogenization method by designing technical processed and selecting technological parameters such as a temperature, an excitation force, excitation frequency, an excitation position, a support position and work time, 4, carrying out low temperature treatment according to the technological parameters, 5, carrying out vibration aging treatment on the aged workpiece subjected to low temperature treatment, and 6, carrying out a low temperature treatment-vibration aging combined aging later test and evaluating the low temperature treatment-vibration aging combined residual stress homogenization effect. The low temperature treatment-vibration aging combined residual stress homogenization method utilizes synergism of low temperature treatment and vibration aging to realize residual stress homogenization, improves vibration aging effects and improves a workpiece service life.
Description
technical field [0001] The invention relates to a cold-vibration composite residual stress homogenization method, which is a method for realizing the homogenization of the residual stress of a metal workpiece or blank by using the composite effect of low temperature and vibration aging. The invention belongs to the technical field of product quality control technology in mechanical manufacturing. Background technique [0002] In the machinery manufacturing industry, especially various high-tech equipment manufacturing industries, the requirements for the comprehensive performance of metal workpieces are getting higher and higher. Similar to problems such as excessive deformation of aircraft engine casings during processing or crack damage during use, which greatly affect the production efficiency of aviation companies, and aerospace critical parts are expensive due to performance requirements. If they are scrapped due to deformation, The loss is huge. These problems in par...
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
Login to view more Patent Type & Authority Patents(China)
IPC IPC(8): C21D10/00
CPCY02P10/20
Inventor 张以都吕田
Owner BEIHANG UNIV
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Try Eureka
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap