The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints
Широкое использование легких листовых материалов обусловливает актуальность применения технологии самопробивных заклепок для их соединения. Исследуется статическая прочность узлов сопряжения листовых материалов, соединяемых с помощью самопробивных заклепок. В процессе пробивания и фиксирования зак...
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| Опубліковано в: : | Проблемы прочности |
|---|---|
| Дата: | 2013 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | Англійська |
| Опубліковано: |
Інститут проблем міцності ім. Г.С. Писаренко НАН України
2013
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| Теми: | |
| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/111949 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | He X. The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints / X. He, B. Xing // Проблемы прочности. — 2013. — № 3. — С. 179-184. — Бібліогр.: 7 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1859824824886493184 |
|---|---|
| author | He, X. Xing, B. |
| author_facet | He, X. Xing, B. |
| citation_txt | He X. The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints / X. He, B. Xing // Проблемы прочности. — 2013. — № 3. — С. 179-184. — Бібліогр.: 7 назв. — англ. |
| collection | DSpace DC |
| container_title | Проблемы прочности |
| description | Широкое использование легких листовых материалов обусловливает актуальность применения технологии самопробивных заклепок для их соединения. Исследуется статическая
прочность узлов сопряжения листовых материалов, соединяемых с помощью самопробивных
заклепок. В процессе пробивания и фиксирования заклепок используется автоматизированная
технология оценки качества соединения в режиме реального времени. Сигналы с датчиков
усиливаются и передаются в систему измерения, обработки и хранения данных. В ходе
статических испытаний на растяжение узлов сопряжения различных листовых материалов с
помощью самопробивных заклепок проводились измерения пределов их статической прочности и деформации до разрушения. Выполнен вероятностный анализ полученных экспериментальных результатов на основании гипотезы их нормального распределения.
Широке використання легких листових матеріалів зумовлює ріст актуальності застосування технології самопробивних заклепок для їх з’єднання. Досліджується статична міцність вузлів сполучення листових матеріалів, що
з’єднуються за допомогою самопробивних заклепок. У процесі пробивання і
фіксування заклепок використовується автоматизована технологія оцінки
якості з’єднання у режимі реального часу. Сигнали з датчиків підсилюються
і передаються в систему вимірювання, обробки і зберігання даних. У ході
статичних випробувань на розтяг вузлів сполучення різних листових матеріалів за допомогою самопробивних заклепок проводили вимірювання границь їх статичної міцності і деформації до руйнування. Виконано імовірнісний аналіз отриманих експериментальних результатів на основі гіпотези їх
нормального розподілу.
|
| first_indexed | 2025-12-07T15:28:21Z |
| format | Article |
| fulltext |
UDC 539.4
The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting
Joints
X. He
1
and B. Xing
2
Kunming University of Science and Technology, Kunming, People’s Republic of China
1 hhxxcc@yahoo.co.uk
2 xbb0808@163.com
ÓÄÊ 539.4
Àíàëèç ïðî÷íîñòè óçëîâ ñîïðÿæåíèé ëèñòîâûõ ìàòåðèàëîâ, ñîåäè-
íåííûõ ñàìîïðîáèâíûìè çàêëåïêàìè, ïðè ñòàòè÷åñêîì ðàñòÿæåíèè
Êñ. Õè, Á. Êñèíã
Óíèâåðñèòåò íàóêè è òåõíîëîãèè, Êóíüìèí, ÊÍÐ
Øèðîêîå èñïîëüçîâàíèå ëåãêèõ ëèñòîâûõ ìàòåðèàëîâ îáóñëîâëèâàåò àêòóàëüíîñòü ïðèìå-
íåíèÿ òåõíîëîãèè ñàìîïðîáèâíûõ çàêëåïîê äëÿ èõ ñîåäèíåíèÿ. Èññëåäóåòñÿ ñòàòè÷åñêàÿ
ïðî÷íîñòü óçëîâ ñîïðÿæåíèÿ ëèñòîâûõ ìàòåðèàëîâ, ñîåäèíÿåìûõ ñ ïîìîùüþ ñàìîïðîáèâíûõ
çàêëåïîê. Â ïðîöåññå ïðîáèâàíèÿ è ôèêñèðîâàíèÿ çàêëåïîê èñïîëüçóåòñÿ àâòîìàòèçèðîâàííàÿ
òåõíîëîãèÿ îöåíêè êà÷åñòâà ñîåäèíåíèÿ â ðåæèìå ðåàëüíîãî âðåìåíè. Ñèãíàëû ñ äàò÷èêîâ
óñèëèâàþòñÿ è ïåðåäàþòñÿ â ñèñòåìó èçìåðåíèÿ, îáðàáîòêè è õðàíåíèÿ äàííûõ. Â õîäå
ñòàòè÷åñêèõ èñïûòàíèé íà ðàñòÿæåíèå óçëîâ ñîïðÿæåíèÿ ðàçëè÷íûõ ëèñòîâûõ ìàòåðèàëîâ ñ
ïîìîùüþ ñàìîïðîáèâíûõ çàêëåïîê ïðîâîäèëèñü èçìåðåíèÿ ïðåäåëîâ èõ ñòàòè÷åñêîé ïðî÷-
íîñòè è äåôîðìàöèè äî ðàçðóøåíèÿ. Âûïîëíåí âåðîÿòíîñòíûé àíàëèç ïîëó÷åííûõ ýêñïåðè-
ìåíòàëüíûõ ðåçóëüòàòîâ íà îñíîâàíèè ãèïîòåçû èõ íîðìàëüíîãî ðàñïðåäåëåíèÿ.
Êëþ÷åâûå ñëîâà: ñàìîïðîáèâíàÿ çàêëåïêà, óçåë ñîïðÿæåíèÿ ëèñòîâûõ ìàòå-
ðèàëîâ, äåôîðìàöèÿ, ïðî÷íîñòü ïðè ðàñòÿæåíèè.
Introduction. As a result of the trend towards lightweight construction in
manufacturing, self-pierce riveting (SPR) is widely used in different industrial
fields in recent years [1, 2]. There have been a number of published results on the
static and fatigue properties of the SPR joints in the past few years. Wood et al. [3]
investigated the performance of self-piercing riveted joints in aluminum sheet
(A5754) at typical automotive crash speeds. A finite element (FE) model of the
fixture and test measurement system was developed to ensure a near optimal
design. Durandet et al. [4] studied the laser-assisted SPR (LSPR) of AZ31
magnesium alloy strips. A simple but effective thermal analysis of LSPR was
presented that enabled both the absorption of the laser radiation and heat transfer
between plies to be determined. Mucha [5] has carried out comparison analysis
within the FE numerical experiment range to cover the effect of various riveting
process parameters on the rivet deformation.
© X. HE, B. XING, 2013
ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3 179
In spite of the fact that the coach peel self-pierce riveted (CPSPR) joints have
been widely used in manufacturing practice, literature on study of CPSPR joints
remains limited. Porcaro et al. generated an accurate 3D numerical model for
CPSPR joint, subjected to various loading conditions [6]. An algorithm was
generated in order to transfer all the information from the 2D numerical model of
the riveting process to the 3D numerical model of the joint. Booth et al. [7]
compared the ultimate tensile strength and fatigue behavior of CPSPR joints with
those of resistance spot weld joints for a variety of material and thickness
combinations. In present study, the ultimate tensile strengths of CPSPR joints are
investigated experimentally for different material combinations. The online window
technique was introduced in the SPR processes for evaluating the quality of joints.
Signals obtained from sensors were amplified and transferred to the data acquisition
system which measured, processed and saved the signals. Monotonic tensile tests
were carried out to measure the ultimate tensile strengths for CPSPR joints with
different material combinations. Deformation and failure of the joints under
monotonic tensile loading were studied. The normal hypothesis tests were performed
to examine the rationality of the test data.
Configuration, Material Properties of CPSPR Joints. As shown in Fig. 1,
the CPSPR joints investigated in the present work were comprised of two L-shaped
sheets with a single rivet joining them together. The rivets are made of high
strength steel and are of dimensions 6 mm long � 5.3 mm diameter. The L-shaped
sheets are made of 5052 aluminum alloy and 45 steel and are of 2 mm thickness. In
order to make it easy to describe the different CPSPR joints, the following
nomenclature is used:
AA joint: CPSPR joint comprises two aluminum alloy sheets;
AS joint: CPSPR joint comprises one aluminum alloy sheet and one 45 steel
sheet.
For the AS joints, the 45 steel sheet was arranged at the rivet head side.
SPR Process Online Monitoring. SPR processes were carried out by a
RIVSET MTF self-pierce rivet machine with a built-in window monitoring system.
The process window monitoring of SPR joint is carried out by measuring actual
SPR setting force through a force sensor and punch travel through a position
X. He and B. Xing
180 ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3
Fig. 1. Geometry of the CPSPR joints.
sensor. The SPR setting force reflects the deformation force on the sheet materials
and the punch travel indicated the geometric change of the sheets during SPR
process. Signals obtained from sensors are amplified and transferred to the data
acquisition system which measures, processes and saves the signals. A computer is
used to save the measured data and generate the force–travel curves. All CPSPR
joints were made with constant pre-clamp (5 kN) and setting (40 kN) load.
Before the monitoring process, a reference force–travel curve must be
established under the standard work conditions which were based on a range of
experiments. The CPSPR joint could be supposed to be of good quality under these
conditions. It is obviously that under the same work conditions, the monitoring
force–travel curves should be very close to the reference one and have nearly the
same pattern. The corresponding CPSPR joints would have similar good quality.
Figures 2 and 3 show the CPSPR joints and force–travel curves separately.
Ultimate Tensile Strength ...
ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3 181
Fig. 2. Force–travel curves of AA and AS joints.
Fig. 3. AA and AS joints.
Monotonic Tensile Tests. Deformation and failure of the AA and AS joints
under monotonic tensile loading were studied in this section. A servohydraulic
testing machine with hydraulic grips was used for conducting the monotonic
tensile tests. All tests were performed by using displacement control. The upper
end of the joints was fixed and a quasi-static downward displacement was applied
to the lower end. The displacement rate of 5 mm/min was applied for all tests.
Continuous records of the applied displacement–load curves were obtained during
each test. Figure 4 shows the monotonic tensile process. It is clear that joint
rotation occurs during tensile tests.
Experimental Results. Figure 5 shows failed AA and AS joints. It can be
seen from Fig. 5 that the failure mode was plate failure forming at the contact
location between the rivet bottom and the lower sheet. In the test, plastic
deformation around contact location developed to such a large level that the rivet
was pulled out from the lower sheet.
The force–displacement curves of AA and AS joints are shown in Fig. 6. To
examine the rationality of the test data, the normal hypothesis tests were performed
using MATLAB 7.0. The results show that the maximum tensile strength of AA
and AS joints follow normal distributions. The mean values (�) and standard
182 ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3
Fig. 4. Monotonic tensile process of CPSPR joint.
Fig. 5. Failed AA and AS joints.
X. He and B. Xing
deviations (�) have the following numerical values: � AA � 982.68 N, � AA �
43.27 N, � AS � 1301 N, and � AS � 36.19 N. All test data fitting the region
estimated by the degree of confidence of 95%. The maximum tensile strengths
normal probability density distributions of the AA and AS joints are showed in
Fig. 7. It can be seen that the tensile strength of AS joint is higher than that of the
AA joint, as expected.
Summary. SPR is a new high-speed mechanical fastening technique which is
suitable for point-joining the advanced lightweight sheet materials. The ultimate
tensile strength of coach peel self-pierce riveted joints is investigated in this study.
The online window technique was introduced in the CPSPR processes for evaluating
the quality of CPSPR joints. Signals obtained from sensors were amplified and
transferred to the data acquisition system which measures, processes and saves the
signals. Ultimate tensile tests were carried out to measure the ultimate tensile
strengths for CPSPR joints with different material combinations. Deformation and
failure of the AA and AS joints under monotonic tensile loading were studied. The
normal hypothesis tests were performed to examine the rationality of the test data.
Acknowledgment. This study is partially supported by National Science
Foundation of China (Grant No. 50965009).
ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3 183
Fig. 6. Force–displacement curves of AA and AS joints.
Fig. 7. Maximum tensile strengths normal probability density distributions.
Ultimate Tensile Strength ...
Ð å ç þ ì å
Øèðîêå âèêîðèñòàííÿ ëåãêèõ ëèñòîâèõ ìàòåð³àë³â çóìîâëþº ð³ñò àêòóàëü-
íîñò³ çàñòîñóâàííÿ òåõíîëî㳿 ñàìîïðîáèâíèõ çàêëåïîê äëÿ ¿õ ç’ºäíàííÿ. Äî-
ñë³äæóºòüñÿ ñòàòè÷íà ì³öí³ñòü âóçë³â ñïîëó÷åííÿ ëèñòîâèõ ìàòåð³àë³â, ùî
ç’ºäíóþòüñÿ çà äîïîìîãîþ ñàìîïðîáèâíèõ çàêëåïîê. Ó ïðîöåñ³ ïðîáèâàííÿ ³
ô³êñóâàííÿ çàêëåïîê âèêîðèñòîâóºòüñÿ àâòîìàòèçîâàíà òåõíîëîã³ÿ îö³íêè
ÿêîñò³ ç’ºäíàííÿ ó ðåæèì³ ðåàëüíîãî ÷àñó. Ñèãíàëè ç äàò÷èê³â ï³äñèëþþòüñÿ
³ ïåðåäàþòüñÿ â ñèñòåìó âèì³ðþâàííÿ, îáðîáêè ³ çáåð³ãàííÿ äàíèõ. Ó õîä³
ñòàòè÷íèõ âèïðîáóâàíü íà ðîçòÿã âóçë³â ñïîëó÷åííÿ ð³çíèõ ëèñòîâèõ ìàòå-
ð³àë³â çà äîïîìîãîþ ñàìîïðîáèâíèõ çàêëåïîê ïðîâîäèëè âèì³ðþâàííÿ ãðà-
íèöü ¿õ ñòàòè÷íî¿ ì³öíîñò³ ³ äåôîðìàö³¿ äî ðóéíóâàííÿ. Âèêîíàíî ³ìîâ³ð-
í³ñíèé àíàë³ç îòðèìàíèõ åêñïåðèìåíòàëüíèõ ðåçóëüòàò³â íà îñíîâ³ ã³ïîòåçè ¿õ
íîðìàëüíîãî ðîçïîä³ëó.
1. X. He, F. Gu, and A. Ball, “Recent development in finite element analysis of
self-piercing riveted joints,” Int. J. Adv. Manuf. Technol., 58, 643–649 (2012).
2. X. He, I. Pearson, and K. Young, “Self-pierce riveting for sheet materials:
state of the art,” J. Mater. Process. Technol., 199, 27–36 (2008).
3. P. Wood, C. Schley, M. Williams, and A. Rusinek, “A model to describe the
high rate performance of self-piercing riveted joints in sheet aluminium,”
Mater. Design, 32, 2246–2259 (2011).
4. Y. Durandet, R. Deam, A. Beer, et al., “Laser assisted self-pierce riveting of
AZ31 magnesium alloy strips,” Mater. Design, 31, S13–S16 (2010).
5. J. Mucha, “A study of quality parameters and behavior of self-piercing riveted
aluminium sheets with different joining conditions,” Strojniðki Vestnik/J.
Mech. Eng., 57, 323–333 (2011).
6. R. Porcaro, A. G. Hanssen, M. Langseth, A. Aalberg, “The behaviour of a
self-piercing riveted connection under quasi-static loading conditions,” Int. J.
Solids Struct., 43, 5110–5131 (2006).
7. G. S. Booth, C. A. Oliver, S. A. Westgate, et al., Self-Piercing Riveted Joints
and Resistance Spot Welded Joints in Steel and Aluminum, SAE Technical
Paper No. 2000-01-2681 (2000).
Received 06. 11. 2012
184 ISSN 0556-171X. Ïðîáëåìû ïðî÷íîñòè, 2013, ¹ 3
X. He and B. Xing
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| id | nasplib_isofts_kiev_ua-123456789-111949 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0556-171X |
| language | English |
| last_indexed | 2025-12-07T15:28:21Z |
| publishDate | 2013 |
| publisher | Інститут проблем міцності ім. Г.С. Писаренко НАН України |
| record_format | dspace |
| spelling | He, X. Xing, B. 2017-01-16T12:05:54Z 2017-01-16T12:05:54Z 2013 He X. The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints / X. He, B. Xing // Проблемы прочности. — 2013. — № 3. — С. 179-184. — Бібліогр.: 7 назв. — англ. 0556-171X https://nasplib.isofts.kiev.ua/handle/123456789/111949 539.4 Широкое использование легких листовых материалов обусловливает актуальность применения технологии самопробивных заклепок для их соединения. Исследуется статическая прочность узлов сопряжения листовых материалов, соединяемых с помощью самопробивных заклепок. В процессе пробивания и фиксирования заклепок используется автоматизированная технология оценки качества соединения в режиме реального времени. Сигналы с датчиков усиливаются и передаются в систему измерения, обработки и хранения данных. В ходе статических испытаний на растяжение узлов сопряжения различных листовых материалов с помощью самопробивных заклепок проводились измерения пределов их статической прочности и деформации до разрушения. Выполнен вероятностный анализ полученных экспериментальных результатов на основании гипотезы их нормального распределения. Широке використання легких листових матеріалів зумовлює ріст актуальності застосування технології самопробивних заклепок для їх з’єднання. Досліджується статична міцність вузлів сполучення листових матеріалів, що з’єднуються за допомогою самопробивних заклепок. У процесі пробивання і фіксування заклепок використовується автоматизована технологія оцінки якості з’єднання у режимі реального часу. Сигнали з датчиків підсилюються і передаються в систему вимірювання, обробки і зберігання даних. У ході статичних випробувань на розтяг вузлів сполучення різних листових матеріалів за допомогою самопробивних заклепок проводили вимірювання границь їх статичної міцності і деформації до руйнування. Виконано імовірнісний аналіз отриманих експериментальних результатів на основі гіпотези їх нормального розподілу. en Інститут проблем міцності ім. Г.С. Писаренко НАН України Проблемы прочности Научно-технический раздел The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints Анализ прочности узлов сопряжений листовых материалов, соединенных самопробивными заклепками, при статическом растяжении Article published earlier |
| spellingShingle | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints He, X. Xing, B. Научно-технический раздел |
| title | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints |
| title_alt | Анализ прочности узлов сопряжений листовых материалов, соединенных самопробивными заклепками, при статическом растяжении |
| title_full | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints |
| title_fullStr | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints |
| title_full_unstemmed | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints |
| title_short | The Ultimate Tensile Strength of Coach Peel Self-Piercing Riveting Joints |
| title_sort | ultimate tensile strength of coach peel self-piercing riveting joints |
| topic | Научно-технический раздел |
| topic_facet | Научно-технический раздел |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/111949 |
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