CN105403447A - Silicone rubber-steel bonded piece dissection method - Google Patents
Silicone rubber-steel bonded piece dissection method Download PDFInfo
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- CN105403447A CN105403447A CN201510823710.9A CN201510823710A CN105403447A CN 105403447 A CN105403447 A CN 105403447A CN 201510823710 A CN201510823710 A CN 201510823710A CN 105403447 A CN105403447 A CN 105403447A
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- test piece
- test specimen
- silicone rubber
- steel
- silicon rubber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides a silicone rubber-steel bonded piece dissection method and belongs to the technical field of machining. The method comprises steps as follows: (1) a silicone rubber-steel bonded test piece is taken, one edge of the test piece is immersed to a position 15 mm below the liquid surface of liquid nitrogen and stays for 20 s, and then the test piece is taken out; (2) one side of a metal plate is quickly heated by a handheld blower, and a separation gap can be seen on one silicone rubber-steel bonded surface; (3) silicone rubber-steel bonded surfaces on four boundaries of the test piece are separated; (4) the test piece is immersed until the metal plate is completely soaked in the liquid nitrogen for 10 s, then the test piece is taken out after being completely immersed below the liquid surface for 20 s, and the center of one side of the metal plate is quickly heated; (5) metal sides of the test piece are knocked clockwise along edges of the test piece by a rubber hammer, and silicone rubber and the metal plate can be completely separated. Compared with traditional mechanical dissection methods, the liquid nitrogen freezing method has the advantages that the method is simple to operate and high in practicability, has direct detection results and has an important verification effect for bonding type part technology research and ultrasonic detection technology determination.
Description
Technical field
The invention belongs to Machining Technology field, be specifically related to a kind of silicon rubber-steel bond anatomic method.
Background technology
Certain engine blower contains casing component first and adopts silicon rubber-Steel material to adopt adhesive technology manufacture, because this accessory size is larger, inevitably there is the defects such as the uneven even unsticking of bonding strength in the technique for sticking of silicon rubber and steel, in order to detect the bonding quality of part, carry out ultrasonic method research, completely different from through transmission technique testing result through test pulse reflectometry, in order to verify two kinds of detection method testing result accuracys, invent a kind of liquid nitrogen frozen anatomic method, silicon rubber-steel the testpieces be about to artificial defect is put in liquid nitrogen freezing, along with temperature reduces, because bi-material shrinkage factor is different, when being reduced to uniform temperature and keeping certain hour, bi-material bonded assembly will separate automatically, separately latter two material surface will intuitively show bonding situation.
Summary of the invention
Silicon rubber-steel bonded assembly is applied first within the engine, for controlling the bonding quality of part, carry out ultrasonic detecting technology research, in order to verify the accuracy of ultrasonic testing results, the invention provides a kind of liquid nitrogen frozen anatomic method, thus verify the accuracy of ultrasonic testing results easily and intuitively.
A kind of silicon rubber-steel bond anatomic method of the present invention, carries out according to following steps:
(1) getting the bonding test specimen of silicon rubber-steel, taking out being dipped into the lower 15 millimeters of place's stops 20 of liquid nitrogen liquid level under test specimen limit second;
(2) get hand-held hair dryer to sheet metal side Fast Heating, silicon rubber-steel bonding plane departs from gap as seen;
(3) repeat step (1), (2), the silicon rubber of test specimen four edges circle-steel bonding plane is departed from;
(4) test specimen steel plate side is downward, be horizontally fixed on bracket; All be soaked in 10 seconds in liquid nitrogen by being dipped into sheet metal under test specimen, then take out under whole for test specimen immersed in liquid level after 20 seconds, to center, sheet metal side Fast Heating;
(5) prolong test specimen edge clockwise Knock test part metal side with rubber Chui, silicon rubber can be separated completely with sheet metal.
Along with the application of metal-non-metal bonding class part in aeromotor is more and more extensive, in the urgent need to the anatomic method that a kind of bonding quality to the bonding part development stage, Ultrasonic Detection technique accuracy are verified, compared with traditional mechanical anatomic method, liquid nitrogen frozen method is simple to operate, practical, testing result directly perceived, and it determines to have important checking effect to bonding class part process development and Ultrasonic Detection technique.
Accompanying drawing explanation
Fig. 1 pulse reflection method C scans display;
Fig. 2 spray water through transmission technique C scan Flaw display;
Fig. 3 testpieces 1 liquid nitrogen freezing dissects rear schematic diagram;
Rear schematic diagram dissected by Fig. 4 testpieces 2 machinery.
Embodiment
Embodiment 1
1. silicon rubber-steel adhesive test part makes
It is adopt tackifier that easy for fan bull ring (silicon rubber) and fan are contained the bonding one-tenth assembly of casing (steel) that fan contains casing assembly.Adopt the material identical with part, manufacture technics 2 testpieces, on the adhesive linkage of each testpieces, pre-buried ptfe sheet simulates debonding defect respectively.
2. Applications of Ultrasonic Testing
Adopt ultrasonic water immersion detecting system, ultrasonic pulse reflection method detection experiment is carried out to testpieces, obtain testpieces ultrasonic testing results, see Fig. 1.
Adopt ultrasonic water spray detection system, ultrasonic water spray through transmission technique detection experiment is carried out to testpieces, obtain testpieces ultrasonic testing results, see Fig. 2.
3. testpieces is dissected
Testpieces 1 adopts liquid nitrogen frozen method to dissect and is specially:
(1) adopt 25 kilograms of nitrogen storage tank, test specimen is vertically fixed on bracket, takes out being dipped into the lower 15 millimeters of place's stops 20 of liquid level under test specimen limit second.
(2) take hand-held hair dryer to sheet metal side Fast Heating, silicon rubber-steel bonding plane departs from gap as seen.
(3) repeat step 1,2, the silicon rubber of test specimen four edges circle-steel bonding plane is departed from.
(4) test specimen steel plate side is downward, is horizontally fixed on bracket.All be soaked in 10 seconds in liquid nitrogen by being dipped into sheet metal under test specimen, then take out under whole for test specimen liquid level after 20 seconds, to center, sheet metal side Fast Heating.
(5) prolong test specimen edge clockwise Knock test part metal side with rubber Chui, silicon rubber can be separated completely with sheet metal; See Fig. 3.
Testpieces 2 adopts mechanical means to dissect, and is put into by testpieces on worktable, adopts metal flat chisel to be separated by external force by testpieces.See Fig. 4.
Claims (1)
1. silicon rubber-steel bond anatomic method, is characterized in that carrying out according to following steps:
(1) getting the bonding test specimen of silicon rubber-steel, taking out being dipped into the lower 15 millimeters of place's stops 20 of liquid nitrogen liquid level under test specimen limit second;
(2) get hand-held hair dryer to sheet metal side Fast Heating, silicon rubber-steel bonding plane departs from gap as seen;
(3) repeat step (1), (2), the silicon rubber of test specimen four edges circle-steel bonding plane is departed from;
(4) test specimen steel plate side is downward, be horizontally fixed on bracket; All be soaked in 10 seconds in liquid nitrogen by being dipped into sheet metal under test specimen, then take out under whole for test specimen immersed in liquid level after 20 seconds, to center, sheet metal side Fast Heating;
(5) prolong test specimen edge clockwise Knock test part metal side with rubber Chui, silicon rubber can be separated completely with sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823710.9A CN105403447A (en) | 2015-11-24 | 2015-11-24 | Silicone rubber-steel bonded piece dissection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510823710.9A CN105403447A (en) | 2015-11-24 | 2015-11-24 | Silicone rubber-steel bonded piece dissection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105403447A true CN105403447A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510823710.9A Pending CN105403447A (en) | 2015-11-24 | 2015-11-24 | Silicone rubber-steel bonded piece dissection method |
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| Country | Link |
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| CN (1) | CN105403447A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470859A (en) * | 2017-07-14 | 2017-12-15 | 西安航天动力机械厂 | A kind of method for manufacturing steel/rubber combined structural test piece |
| CN107655979A (en) * | 2017-08-07 | 2018-02-02 | 中材科技（阜宁）风电叶片有限公司 | The lossless detection method of rear edge of wind turbine blade adhesion zone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020016637A1 (en) * | 1998-12-16 | 2002-02-07 | Mark A. Anton | Soft tissue filler |
| CN103163030A (en) * | 2011-12-14 | 2013-06-19 | 德尔福电子(苏州)有限公司 | Performance test method for cooling system adhesive |
-
2015
- 2015-11-24 CN CN201510823710.9A patent/CN105403447A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020016637A1 (en) * | 1998-12-16 | 2002-02-07 | Mark A. Anton | Soft tissue filler |
| CN103163030A (en) * | 2011-12-14 | 2013-06-19 | 德尔福电子(苏州)有限公司 | Performance test method for cooling system adhesive |
Non-Patent Citations (3)
| Title |
|---|
| 朱鸿梅: "《玻璃钢低温粘接性能的研究》", 《中国博士论文全文数据库》 * |
| 董德秀等: "《硅橡胶 - 钢粘接质量的超声检测》", 《航空制造技术》 * |
| 赵飞明等: "《适用于液氮温度下的环氧树脂胶粘剂研究》", 《粘接》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470859A (en) * | 2017-07-14 | 2017-12-15 | 西安航天动力机械厂 | A kind of method for manufacturing steel/rubber combined structural test piece |
| CN107655979A (en) * | 2017-08-07 | 2018-02-02 | 中材科技（阜宁）风电叶片有限公司 | The lossless detection method of rear edge of wind turbine blade adhesion zone |
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Application publication date: 20160316 |
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