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Keywords: friction
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Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. September 2024, 52(5): 2883–2899.
Paper No: JTE20230489
Published Online: September 1, 2024
... were prepared and subjected to ball-on-disk tests to observe tribological characteristics. For ball-on-disk tests, friction coefficient data were obtained during testing, whereas wear characteristics were achieved from test samples through imaging and processing methods. Spectroscopic analyses were...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. July 2024, 52(4): 2435–2450.
Paper No: JTE20230486
Published Online: July 1, 2024
...Chiye Yang; Liming Guo; Jing Liu; Guang Pan; Baowei Song As an important power component of an underwater glider, the energy consumption of the buoyancy regulator directly affects the endurance of the underwater glider. The accurate calculation and prediction methods for the friction forces can...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. September 2023, 51(5): 3081–3094.
Paper No: JTE20220586
Published Online: September 1, 2023
...Jun Chen; Xiaowen Yuan; Quan Liu; Cheng Zhao; Ruoyu Zhou; Jiale Huang An adequate pavement texture that provides sufficient brake friction is critical for drive safety. Thus, it is essential to quantify the pavement texture and friction efficiently and accurately. So far, the close-range...
Journal Articles
Publisher: ASTM International
Article Type: Technical Notes
J. Test. Eval.. May 2022, 50(3): 1693–1705.
Paper No: JTE20210551
Published Online: May 1, 2022
...John P. Leffler; Mark G. Blanchette The manufacture and inspection of porcelain-enameled bathing surface friction in the United States has relied on tribometry since 1979; in modernizing the standards for testing bathing surface friction, tribometry is an obvious candidate. However, although...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. January 2022, 50(1): 454–464.
Paper No: JTE20210055
Published Online: January 1, 2022
... setup with and without abrasive intermedia. A strong dependence of friction and wear on the alignment angle between pin and belt was proven by the investigations. An orthogonal setup caused the highest coefficient of friction, but the lowest wear, while an increasing deviation from the 90° alignment...
Journal Articles
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. March 2020, 48(2): 1310–1318.
Paper No: JTE20180619
Published Online: March 1, 2020
... at failure. Similarly, in all cases, failure occurred in a ductile manner, yielding a dimpled fracture surface. Although friction and surface defects may influence the output of small punch tests, the effect of altering the specimen surface finish alone was negligible in this case, indicating...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. March 2020, 48(2): 1388–1403.
Paper No: JTE20180628
Published Online: March 1, 2020
... characteristics with coefficient of load fluctuation approaching 1 and a markedly reduced root mean square torque. The influence of inertia force on driving moment is considered by establishing the dynamic equation of the main mechanism and doing dynamic simulation. The friction power is equivalent...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. January 2020, 48(1): 333–351.
Paper No: JTE20180681
Published Online: January 1, 2020
... pavement surface performance texture friction tire-pavement noise noise trailer References Chambers   J. P. , “ Noise Pollution ,” in Advanced Air and Noise Pollution Control, volume 2 , ed. Wang   L. K. , Pereira   N. C. , and Hung   Y.-T. ( Totowa, NJ : The Humana Press...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. September 2019, 47(5): 3740–3750.
Paper No: JTE20170466
Published Online: September 1, 2019
...Mark G. Blanchette; Christopher M. Powers Previous research utilizing mechanical testing has revealed that footwear tread groove orientation has a significant impact on available friction. However, the influence of tread groove orientation on slip potential in human subjects has received little...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. July 2019, 47(4): 2717–2736.
Paper No: JTE20180385
Published Online: July 1, 2019
... joint by incorporating frictional stresses in the contact region between a steel bolt and LVB. The model also predicts displacement at failure, which is validated through comparison with experimental results: the material fails at 1 and 1.18 mm displacement loading parallel to the grain for half...
Journal Articles
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. May 2018, 46(3): 1054–1063.
Paper No: JTE20160591
Published Online: November 10, 2017
...H. K. Chirala; M. J. Davidson; G. Srinivasarao; P. Srinivasaraju In the bulk-forming operations, such as upsetting, the billets upon severe plastic deformation will fracture on reaching the threshold fracture stress. The fracture initiation and progression depends on the friction, height...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. July 2016, 44(4): 1580–1584.
Paper No: JTE20150029
Published Online: July 12, 2016
...Bora Sener; E. Sabri Kayali In this study, the effect of friction in limiting dome height test was investigated numerically and experimentally. Ultra-low-carbon galvanized steel sheets were used as a test material. The thickness of the material was 1.2 mm. Limiting dome height tests were carried...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 2015, 43(1): 53–61.
Paper No: JTE20130218
Published Online: January 22, 2015
...C. Hari Krishna; M. J. Davidson; C. Nagaraju; P. Ramesh Kumar An effective lubricant will always enhance the formability of a material when applied at the die–billet interface in cold upsetting processes. High friction at the die–billet interface leads to adhesion of the cylindrical billets...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 2009, 37(1): 21–30.
Published Online: January 1, 2009
...H. N. Seneviratne; M. P. N. Rajapakshe; M. Gunaratne Regular evaluation and maintenance of skid resistance (friction) of highway and runway pavements is an essential task in improving transportation safety. Various measuring devices operating under different mechanisms have been developed...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. March 2008, 36(2): 191–197.
Published Online: March 1, 2008
.... The coefficient of static friction was also determined. This coefficient for gloss and rough surface mangosteens on plexiglass, plywood, and galvanized iron steel varied from 0.31 to 0.46. Color of sound and defective fruits was measured in terms of tristimulus values, X , Y , and Z . It was observed...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. July 2004, 32(4): 304–309.
Published Online: July 1, 2004
...Y Liu; T F Fwa; Y S Choo The British pendulum test is a common procedure for laboratory as well as field measurement of the low-speed friction of a road surface material. It is widely suggested that the measured low-speed friction is largely governed by the surface microtexture of the road material...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 1997, 25(1): 61–73.
Published Online: January 1, 1997
... on samples of the same cast of Al-1% Mn alloy. In particular, the effects of spread and friction are analyzed as a function of initial specimen geometry. When consistent procedures are used it is shown that excellent reproducibility of flow stress data is obtained between laboratories. In deriving...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. November 1996, 24(6): 353–358.
Published Online: November 1, 1996
... oversimplified initial foot contact, and should be discontinued in favor of more accurate methodology. 14 05 1996 24 05 1996 slip resistance friction gait footstrike force plate step length leg length apex angle References National Safety Council , Accident Facts 1991 Edition...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. November 1996, 24(6): 377–385.
Published Online: November 1, 1996
...M Wilson The development of the SATRA Friction Tester was described in ASTM STP 1103-1990. Since then the tester has been used in regular service and research work, testing and evaluating a wide range of footwear types and soling materials. This paper reviews some of the experience gained...