WO2001022054A1 - Verfahren zum herstellen von zumindest einem prüfkörper, insbesondere aus faserverbundwerkstoff, für eine qualitätsprüfung einer klebeverbindung - Google Patents
Verfahren zum herstellen von zumindest einem prüfkörper, insbesondere aus faserverbundwerkstoff, für eine qualitätsprüfung einer klebeverbindung Download PDFInfo
- Publication number
- WO2001022054A1 WO2001022054A1 PCT/EP2000/009238 EP0009238W WO0122054A1 WO 2001022054 A1 WO2001022054 A1 WO 2001022054A1 EP 0009238 W EP0009238 W EP 0009238W WO 0122054 A1 WO0122054 A1 WO 0122054A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- joining
- adhesive
- test specimen
- joined
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0664—Indicating or recording means; Sensing means using witness specimens
Definitions
- the present invention relates to a method for producing at least one test specimen, in particular made of fiber composite material, for a quality test of an adhesive connection.
- 8EST ⁇ TIGUNGSKQPIS Laboratory conditions produced adhesive seam of the test body tested for their quality.
- Representative characteristic values of an adhesive connection between fiber composite components can be determined on the basis of this test specimen.
- the test specimen manufactured under laboratory conditions is not subject to the real joining conditions that prevail on the components of a car body that are used during its manufacture.
- additional factors can influence the quality of an adhesive connection, such as processing temperature, air humidity, pressure, degree of soiling in the workshop in which the components are joined together, the quality of the pretreatment of the components actually carried out, and displacements and stresses during joining , neither recorded nor included in the qualitative evaluation of the adhesive connection.
- the invention is therefore based on the object of providing a method for producing a test specimen, in which a test specimen can be obtained from an adhesive connection which is carried out under real conditions, with little effort and time as well as little construction effort.
- At least two plate-shaped joining parts are initially provided for the production of at least one test specimen.
- the parts to be joined are, for example, individual components which can be used to produce a car body for a rail vehicle in the region of the side walls, floor or ceiling of the car body.
- the joining parts each have at least one projection integrally formed on at least one of their edge sections.
- an attachment is integrally connected to an edge section of a joining part, so that the joining part and its attachment can be produced from one workpiece.
- the respective joining part with its attachment arranged thereon can be cut out of a fiber composite panel.
- the shape of the individual joining part is largely the functional dimensions of the joining part for its use, z. B. adapted to a car body. Due to the projection designed as a plate-shaped extension of an edge section of the joining part, the joining part assumes a contour that deviates from its functional dimensions. The formation of the approach thus provides additional material on a joining part, which is provided as the test specimen material.
- the at least two joining parts are joined together under real joining conditions such that a longitudinal edge of one joining part essentially overlaps the longitudinal edge of the other joining part.
- the term “longitudinal edge” of a joining part is understood to mean an edge region which extends continuously on the joining part and on the attachment formed thereon. The longitudinal edge thus runs along an edge area of the joining part and the molded attachment.
- An adhesive is then introduced in a region between the joined longitudinal edges of the mutually opposite joining parts and their attachments. This ensures the formation of an adhesive connection for fastening the parts to be joined together.
- the shoulders glued together at their longitudinal edges are separated from the parts to be joined.
- the joined parts are simultaneously on their functional dimensions for further use, eg. B. cut as components of a car body construction.
- a further adjustment of the assembled parts to their required dimensions and functional geometry can thus be omitted. This considerably simplifies the manufacturing process.
- the separated approaches which comprise the adhesive connection of the parts to be assembled under real conditions, are then provided as test specimens for checking the quality of the adhesive connection between the parts to be joined.
- the method described can be carried out simply, quickly and with comparatively little effort for producing a test specimen, since the test specimen is obtained during the production of the joining parts. This eliminates the additional work steps required to manufacture a test specimen under laboratory conditions.
- a test specimen is provided, the adhesive connection of which has the properties of the adhesive seam actually carried out on the joining parts and can thus serve as documentation and for testing the actually carried out adhesive process.
- the separated test specimen is divided into several individual test specimen sections.
- conditions can be established with regard to the size of the test specimen sections, which facilitate handling and correct positioning of the test specimen sections when examining the adhesive connection.
- several test specimens are obtained, on each of which a quality test of the adhesive connection can be carried out. This makes it possible to carry out repeated tests of the adhesive connection carried out under real conditions and thus to confirm a test result.
- the dimensions of the joining parts are essentially the same used.
- the parts to be joined can be joined mirror-symmetrically on their longitudinal edges, with an overlap of the longitudinal edges being easy to produce due to the matching geometry.
- the adhesive connection it is advantageous if at least one adhesive seam is formed between the joining parts by means of this.
- the adhesive seam preferably runs essentially parallel to and along the longitudinal edges of the parts to be joined in the region in which the longitudinal edges of the parts to be joined and the projections arranged thereon overlap. This arrangement of the adhesive seam ensures a secure and firm connection between the parts to be joined.
- Figure 1 is a partial perspective view of parts to be glued together according to the invention.
- Fig. 2 is a partial perspective view of the joining parts and approaches in an exploded view
- Fig. 3 is a perspective view of test body sections.
- FIG. 1 two plate-shaped joining parts 2, 3 are joined together at their long edges 4.
- the longitudinal edges 4 each run along the entire longitudinal extent of a plate-shaped joining part 2, 3 and parallel to an essentially straight end face 12 of a joining part 2, 3.
- the two joining parts 2, 3 match in their dimensions and lie essentially opposite one another in mirror symmetry.
- Each joining part 2, 3 has on its edge section 6 an integrally formed, rectangular extension 8 which extends to the right in the plane of the drawing from the edge section 6 of the joining part 2, 3.
- the lugs 8 are formed above the edge portions 6 of the joining parts 2, 3 so that they overlap the edge portions 6 to the right.
- the required shape of the lugs 8 as plate-shaped extensions of the edge portions 6 of the joining parts 2, 3 is achieved in a structurally simple manner.
- the longitudinal edges 4 of the joining parts 2, 3 and their lugs 8 are arranged essentially parallel to one another and overlap along their entire longitudinal extent.
- an adhesive layer is provided, so that the two joining parts 2, 3 are glued to one another with the interposition of the intermediate element 10. Due to the adhesive connection provided in the area between the overlapping longitudinal edges 4 of the joining parts 2, 3, an adhesive seam is thus formed both between the upper joining part 2 and the intermediate element 10 and between the lower joining part 3.
- These glued seams ensure that the joining parts 2, 3 adhere securely to one another and extend continuously through the joining parts 2, 3 and their integrally formed lugs 8.
- the lugs 8 provided in the construction of the joining parts 2, 3 are part of the joining parts 2, 3 exposed to the same joining conditions as the joining parts 2, 3 itself, such as pretreatment, environmental influences and stresses during joining.
- the lugs 8 are separated from the joining parts 2, 3 according to FIG. 2.
- the glued joining parts 2, 3 receive their functional geometry (shown on the left in FIG. 2) for further use, e.g. as a component for a car body of a rail vehicle.
- the separated approaches 8, however, are used as test specimens 14 for determining and / or checking the characteristic values and quality of the adhesive connection achieved between the joining parts 2, 3.
- the adhesive connection of the test specimen 14 has the properties of the adhesive seams between the joining parts 2, 3 that are listed under real conditions and can thus serve as documentation for and for testing the actually listed adhesive process.
- test specimen 14 it is schematically arranged that the lugs 8 which are separated and bonded to one another in FIG. 2 as test specimen 14 can also be divided into individual test specimen sections 16. On the one hand, these test specimen sections 16 are easier to handle when testing the adhesive connection due to their smaller size than the test specimen 14. On the other hand, several tests of an adhesive connection can be carried out in this way, which increases the accuracy of the result of the quality test of the adhesive connection.
- the method according to the invention can be used not only for adhesive bonds of fiber composite materials to one another but also for other material combinations, such as plastic / plastic and metal / plastic as well as metal / metal.
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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)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020027003798A KR20020033824A (ko) | 1999-09-23 | 2000-09-21 | 접착 접합부의 품질을 테스트하기 위한, 특히 섬유 강화재료로 이루어진 적어도 하나의 테스트 피스를 제작하는방법 |
EP00962514A EP1221031A1 (de) | 1999-09-23 | 2000-09-21 | Verfahren zur herstellung von zumindest einem prüfkörper, insbesondere aus faserverbundwerkstoff, für die qualitätsprüfung einer klebeverbindung |
JP2001525178A JP2003510563A (ja) | 1999-09-23 | 2000-09-21 | 特に、ファイバー強化材料からなる少なくとも1つのテストピースの製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999145556 DE19945556A1 (de) | 1999-09-23 | 1999-09-23 | Verfahren zum Herstellen von zumindest einem Prüfkörper, insbesondere aus Faserverbundwerkstoff, für eine Qualitätsprüfung einer Klebeverbindung |
DE19945556.2 | 1999-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001022054A1 true WO2001022054A1 (de) | 2001-03-29 |
Family
ID=7922995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/009238 WO2001022054A1 (de) | 1999-09-23 | 2000-09-21 | Verfahren zum herstellen von zumindest einem prüfkörper, insbesondere aus faserverbundwerkstoff, für eine qualitätsprüfung einer klebeverbindung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1221031A1 (de) |
JP (1) | JP2003510563A (de) |
KR (1) | KR20020033824A (de) |
CN (1) | CN1384918A (de) |
DE (1) | DE19945556A1 (de) |
WO (1) | WO2001022054A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103674632A (zh) * | 2012-09-12 | 2014-03-26 | 中航惠腾风电设备股份有限公司 | 精确制作拉伸剪切试件的设备 |
DE102014200248A1 (de) * | 2014-01-09 | 2015-07-09 | Bayerische Motoren Werke Aktiengesellschaft | Bauteil für ein Fahrzeug |
DE102017007492A1 (de) | 2017-08-09 | 2018-02-22 | Daimler Ag | Verfahren zur Feststellung der Qualität und/oder Eignung eines zerspanenden Bearbeitungsverfahrens |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2237570A (en) * | 1938-10-07 | 1941-04-08 | Frederick M Bowers | Method of probing a weld |
US5069417A (en) * | 1990-07-13 | 1991-12-03 | Boss Richard J | Apparatus for producing a cured-in-place test sample of concrete |
US5142905A (en) * | 1991-02-08 | 1992-09-01 | United Technologies Corporation | Overlapped test specimen fixture |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3038449A1 (de) * | 1980-10-11 | 1982-06-16 | Hoechst Ag, 6000 Frankfurt | Verfahren und pruefkoerper zur bestimmung der glashaftung von glasverbund-zwischenschichten im zugscherversuch |
JPH0715438B2 (ja) * | 1986-09-27 | 1995-02-22 | 新王子製紙株式会社 | 粘着強度測定方法及び測定器 |
DE4313672C1 (de) * | 1993-04-22 | 1994-10-13 | Mannesmann Ag | Verfahren zur Herstellung und Überwachung einer Kegelpreßverbindung |
DE19617383A1 (de) * | 1996-04-30 | 1997-11-06 | Siemens Ag | Vorrichtung zum Prüfen oder Überwachen von Teilen oder Teile verbindenden Haftschichten und Verfahren zur Herstellung einer solchen Vorrichtung |
DE29717278U1 (de) * | 1997-09-29 | 1998-01-02 | Gurit-Essex Ag, Freienbach | Vorrichtung zur Überprüfung einer definierten Mindestfestigkeit einer Klebverbindung |
-
1999
- 1999-09-23 DE DE1999145556 patent/DE19945556A1/de not_active Withdrawn
-
2000
- 2000-09-21 EP EP00962514A patent/EP1221031A1/de not_active Withdrawn
- 2000-09-21 JP JP2001525178A patent/JP2003510563A/ja active Pending
- 2000-09-21 WO PCT/EP2000/009238 patent/WO2001022054A1/de not_active Application Discontinuation
- 2000-09-21 CN CN 00813229 patent/CN1384918A/zh active Pending
- 2000-09-21 KR KR1020027003798A patent/KR20020033824A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2237570A (en) * | 1938-10-07 | 1941-04-08 | Frederick M Bowers | Method of probing a weld |
US5069417A (en) * | 1990-07-13 | 1991-12-03 | Boss Richard J | Apparatus for producing a cured-in-place test sample of concrete |
US5142905A (en) * | 1991-02-08 | 1992-09-01 | United Technologies Corporation | Overlapped test specimen fixture |
Also Published As
Publication number | Publication date |
---|---|
CN1384918A (zh) | 2002-12-11 |
EP1221031A1 (de) | 2002-07-10 |
JP2003510563A (ja) | 2003-03-18 |
DE19945556A1 (de) | 2001-03-29 |
KR20020033824A (ko) | 2002-05-07 |
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