JP2021162585A5 - - Google Patents
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- JP2021162585A5 JP2021162585A5 JP2021047291A JP2021047291A JP2021162585A5 JP 2021162585 A5 JP2021162585 A5 JP 2021162585A5 JP 2021047291 A JP2021047291 A JP 2021047291A JP 2021047291 A JP2021047291 A JP 2021047291A JP 2021162585 A5 JP2021162585 A5 JP 2021162585A5
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- 238000012360 testing method Methods 0.000 claims description 96
- 125000006850 spacer group Chemical group 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 3
- 238000009864 tensile test Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 description 1
Description
本発明者らは、主として、以下の構成により上記課題を解決できることを見出した。
(1)引張試験機を用いた面接合試験体の引張せん断強さ試験による接合面のせん断強さの測定方法であって、前記面接合試験体は、上試験片および下試験片からなる一対の試験片の端部同士を面接合した接合部を有し、各々の試験片は、前記接合部を構成する端部から他方の端部の延在方向が相反する方向に配置されており、以下の工程に沿って引張せん断強さを測定することを特徴とする面接合試験体の引張せん断接合強さ測定方法。
A.第2治具の台座部の上に前記面接合試験体の上試験片の端部を載せ置く工程
B.第1治具の上端に設けられ、前記面接合試験体の引張方向に対して垂直方向に突出した爪部を、前記爪部先端と上試験片との間の端開き距離を制御しながら、前記面接合試験体の下試験片の端部に載せ置く工程、
C.前記端開き距離を維持するように第1治具と第2治具を締結し前記治具とする工程、
D.前記面接合試験体の上試験片および締結した前記治具を引張試験機に固定する工程、
E.引張試験機を作動させ、前記面接合試験体に引張荷重を載荷し、前記接合部が破壊するまでの引張荷重を測定する工程。
(2)工程Bにおいて、前記下試験片と前記第1治具との間に、第1スペーサーをさらに狭持させることを特徴とする(1)に記載の面接合試験体の引張せん断接合強さ測定方法。
(3)工程Aにおいて、前記上試験片と前記第2治具との間に、第3スペーサーをさらに狭持させることを特徴とする(1)または(2)に記載の面接合試験体の引張せん断接合強さ測定方法。
(4)工程Aにおいて、前記下試験片と前記第2治具との間に、第2スペーサーをさらに狭持させることを特徴とする(1)~(3)のいずれかに記載の面接合試験体の引張せん断接合強さ測定方法。
(5)前記面接合試験体の少なくとも一方の試験片が繊維強化樹脂からなる、(1)~(4)のいずれかに記載の引張せん断接合強さ測定方法。
(6)前記面接合試験体の少なくとも一方の試験片が炭素繊維強化樹脂からなる、(1)~(5)のいずれかに記載の引張せん断接合強さ測定方法。
(7)前記上試験片および前記下試験片との間に接合部材を介して面接合したことを特徴とする(1)~(6)のいずれかに記載の引張せん断接合強さ測定方法。
(8)引張試験機を用いた面接合試験体の引張せん断強さ試験による接合面のせん断強さの測定用治具であって、前記面接合試験体を締結する第1治具および第2治具、スペーサーから構成され、前記面接合試験体は、上試験片および下試験片からなる一対の試験片の端部同士を面接合した面接合部を有し、各々の試験片は、前記接合部を構成する端部から他方の端部の延在方向が相反する方向に配置されたものであり、前記第1治具は、前記面接合試験体の引張方向に対して垂直方向に突出し、前記下試験片の端面に載置させる爪部を具備するものであり、前記第2治具は、前記上試験片の端部を載せ置く台座部を有するものであることを特徴とする測定用治具。
(9)前記スペーサーとして、前記第1治具と前記下試験片との間に挿入し狭持させる第1スペーサーを用いることを特徴とする(8)に記載の治具。
(10)前記スペーサーとして、前記第2治具と前記下試験片との間に挿入し狭持させる第2スペーサーを用いることを特徴とする(8)または(9)に記載の治具。
(11)前記スペーサーとして、前記第2治具と前記上試験片との間に挿入し狭持させる第3スペーサーを用いることを特徴とする(8)~(10)のいずれかに記載の治具。
The present inventors have found that the above problem can be solved mainly by the following configuration.
(1) A method for measuring the shear strength of a bonded surface by a tensile shear strength test of a surface bonded specimen using a tensile tester, wherein the surface bonded specimen is a pair consisting of an upper test piece and a lower test piece. each test piece has a joint where the ends of the test pieces are surface-joined, and each test piece is arranged in opposite directions from the end forming the joint to the other end ; A method for measuring tensile shear bonding strength of a face-to-face bonded specimen, the method comprising measuring tensile shear strength according to the following steps.
A. Step of placing the end of the upper test piece of the surface bonding test piece on the pedestal part of the second jig B. A claw part provided at the upper end of the first jig and protruding in a direction perpendicular to the tensile direction of the surface bonding test piece is controlled while controlling the end opening distance between the tip of the claw part and the upper test piece. a step of placing the surface bonding test piece on the end of the lower test piece;
C. a step of fastening the first jig and the second jig to form the jig so as to maintain the end opening distance;
D. fixing the upper test piece of the surface bonding test piece and the fastened jig to a tensile testing machine;
E. A step of activating a tensile tester, applying a tensile load to the face-to-face bonding test specimen, and measuring the tensile load until the bonded portion breaks.
(2) In step B, a first spacer is further sandwiched between the lower test piece and the first jig. Measurement method.
(3) In the step A, a third spacer is further sandwiched between the upper test piece and the second jig. Tensile shear bond strength measurement method.
(4) In step A, a second spacer is further interposed between the lower test piece and the second jig. Method for measuring tensile shear bond strength of test specimens.
(5) The method for measuring tensile shear bond strength according to any one of (1) to (4), wherein at least one test piece of the face-to-face bond test piece is made of a fiber-reinforced resin.
(6) The method for measuring tensile shear bond strength according to any one of (1) to (5), wherein at least one test piece of the face-to-face bond test piece is made of carbon fiber reinforced resin.
(7) The method for measuring tensile shear bond strength according to any one of (1) to (6), characterized in that the upper test piece and the lower test piece are surface-bonded via a joining member.
(8) A jig for measuring the shear strength of a joint surface by a tensile shear strength test of a face-to-face joint test piece using a tensile tester, the first jig and a second jig for fastening the face-to-face joint test piece. The surface-joint test specimen is composed of a jig and a spacer, and has a surface-joint part in which the ends of a pair of test pieces consisting of an upper test piece and a lower test piece are joined together, and each test piece has The first jig is arranged in such a manner that the extending directions of the joint from one end to the other end are opposite to each other, and the first jig protrudes in a direction perpendicular to the tensile direction of the face-to-face joint test specimen. , a measurement characterized in that the second jig is provided with a claw part to be placed on the end face of the lower test piece, and the second jig has a pedestal part on which the end part of the upper test piece is placed. jig.
(9) The jig according to (8), characterized in that the spacer is a first spacer inserted between and held between the first jig and the lower test piece.
(10) The jig according to (8) or (9), characterized in that the spacer is a second spacer inserted between and held between the second jig and the lower test piece.
(11) The jig according to any one of (8) to (10), characterized in that the spacer is a third spacer inserted between and held between the second jig and the upper test piece. Ingredients.
本発明は、引張試験機を用いた面接合試験体の引張せん断強さ試験による接合面のせん断強さの測定方法であって、前記面接合試験体は、上試験片および下試験片からなる一対の試験片の端部同士を面接合させた接合部を有し、各々の試験片は、前記接合部を構成する端部から他方の端部の延在方向が相反する方向に配置されており、以下の工程に沿って引張せん断強さを測定することを特徴とする面接合試験体の引張せん断接合強さ測定方法である。
A.第2治具の台座部の上に前記面接合試験体の上試験片の端部を載せ置く工程
B.第1治具の上端に設けられ、前記面接合試験体の引張方向に対して垂直方向に突出した爪部を、前記爪部先端と上試験片との間の端開き距離を制御しながら、前記面接合試験体の下試験片の端部に載せ置く工程、
C.前記端開き距離を維持するように第1治具と第2治具を締結し前記治具とする工程、
D.前記面接合試験体の上試験片および締結した前記治具を引張試験機に固定する工程、
E.引張試験機を作動させ、前記面接合試験体に引張荷重を載荷し、前記接合部が破壊するまでの引張荷重を測定する工程。
The present invention is a method for measuring the shear strength of a bonded surface by a tensile shear strength test of a surface bonded specimen using a tensile tester, wherein the surface bonded specimen consists of an upper test piece and a lower test piece. It has a joint where the ends of a pair of test pieces are joined face-to-face, and each test piece is arranged in opposite directions from the end constituting the joint to the other end. This is a method for measuring the tensile shear bond strength of a face-to-face bond test specimen, which is characterized by measuring the tensile shear strength according to the following steps.
A. Step of placing the end of the upper test piece of the surface bonding test piece on the pedestal part of the second jig B. A claw part provided at the upper end of the first jig and protruding in a direction perpendicular to the tensile direction of the surface bonding test piece is controlled while controlling the end opening distance between the tip of the claw part and the upper test piece. a step of placing the surface bonding test piece on the end of the lower test piece;
C. a step of fastening the first jig and the second jig to form the jig so as to maintain the end opening distance;
D. fixing the upper test piece of the surface bonding test piece and the fastened jig to a tensile testing machine;
E. A step of activating a tensile tester, applying a tensile load to the face-to-face joint test specimen, and measuring the tensile load until the joint breaks.
Claims (11)
A.第2治具の台座部の上に前記面接合試験体の上試験片の端部を載せ置く工程
B.第1治具の上端に設けられ、前記面接合試験体の引張方向に対して垂直方向に突出した爪部を、前記爪部先端と上試験片との間の端開き距離を制御しながら、前記面接合試験体の下試験片の端部に載せ置く工程、
C.前記端開き距離を維持するように第1治具と第2治具を締結し前記治具とする工程、
D.前記面接合試験体の上試験片および締結した前記治具を引張試験機に固定する工程、
E.引張試験機を作動させ、前記面接合試験体に引張荷重を載荷し、前記接合部が破壊するまでの引張荷重を測定する工程。 A method for measuring the shear strength of a joint surface by a tensile shear strength test of a face-to-face joint test piece using a tensile tester, wherein the face-to-face joint test piece is a pair of test pieces consisting of an upper test piece and a lower test piece. Each test piece has a joint in which the ends of the joint are joined face-to-face , and each test piece is arranged in opposite directions from the end constituting the joint to the other end . A method for measuring tensile shear bonding strength of a face-to-face bonded specimen, characterized by measuring tensile shear strength along the process.
A. Step of placing the end of the upper test piece of the surface bonding test piece on the pedestal part of the second jig B. A claw part provided at the upper end of the first jig and protruding in a direction perpendicular to the tensile direction of the surface bonding test piece is controlled while controlling the end opening distance between the tip of the claw part and the upper test piece. a step of placing the face-to-face bonding test piece on the end of the lower test piece;
C. a step of fastening the first jig and the second jig to form the jig so as to maintain the end opening distance;
D. fixing the upper test piece of the surface bonding test piece and the fastened jig to a tensile testing machine;
E. A step of activating a tensile tester, applying a tensile load to the face-to-face joint test specimen, and measuring the tensile load until the joint breaks.
The measuring jig according to any one of claims 8 to 10, characterized in that the spacer is a third spacer inserted between and held between the second jig and the upper test piece. .
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JP2020062688 | 2020-03-31 | ||
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JP2021162585A5 true JP2021162585A5 (en) | 2024-03-07 |
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KR102121195B1 (en) * | 2018-09-27 | 2020-06-10 | 경상대학교산학협력단 | Anti-buckling jig for fracture toughness test |
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