Effect of Space Angle of Constriction Resistance and Contact Resistance for the Case of Line Contact

Sano, Yukako

doi:10.1109/tchmt.1985.1136485

Cited by 14 publications

(5 citation statements)

References 6 publications

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“…The contact resistance of a rectangular a-spot could be written as [35] R c−cylinder = 2ρ πL ln 2r + a 2 + (2r) 2 a (10)…”

Section: Theoretical Solutionmentioning

confidence: 99%

“…Johnson [13] and Hamrock [34] originally analyzed the elastic cylindrical case and provided explicit solutions in their context. Sano deduced the constriction resistance of cylindrical contact and analyzed the effects of space angle [35]. Aichi and Tahara found that the contact resistance of rectangular a-spot is in inverse proportion to the 0.7th and 0.3th power of the contact area with parameters of contact width and length, respectively [36].…”

Section: Introductionmentioning

confidence: 99%

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Electrical Contact Resistance of Contact Bodies With Cambered Surface

2020

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The electrical contact resistance of cambered surface contact is systematically studied by analytical solution and finite-element simulation. Two representative cambered surface contacts, namely sphere-plane contact and cylinder-plane contact are built and the distributions of electrical current lines profile and isopotential are compared explicitly. Subsequently, the effects of size parameters of cambered surface and mechanical load on contact resistance are evaluated over a large range of aspect ratios. Furthermore, dissimilarity between sphere-plane contact and cylinder-plane contact is deduced.

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“…The contact resistance of a rectangular a-spot could be written as [35] R c−cylinder = 2ρ πL ln 2r + a 2 + (2r) 2 a (10)…”

Section: Theoretical Solutionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Electrical Contact Resistance of Contact Bodies With Cambered Surface

2020

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“…For that reason, a spot welding process needs the optimum process condition that can afford allowance in parametric values for good quality of welding. The optimum condition has to consider the amount and duration of electric current, the shape and material properties of electrode, the surface condition and alignment of sheets [1,[3][4][5]. Thus, the behavior of resistance spot welding process is extremely important to the quality of the entire welding structure [2,[6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Welding time effect on mechanical properties of automotive sheets in electrical resistance spot welding

et al. 2008

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“…The shrinking resistance of each contact point is expressed by Equation (4) [ 51 ].

where,

is the contact resistivity.…”

Section: Resultsmentioning

confidence: 99%

A Flexible Sensor with Excellent Environmental Stability Using Well-Designed Encapsulation Structure

et al. 2023

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The hydrogel-based sensors suffer from poor stability and low sensitivity, severely limiting their further development. It is still “a black box” to understand the effect of the encapsulation as well as the electrode on the performance of the hydrogel-based sensors. To address these problems, we prepared an adhesive hydrogel that could robustly adhere to Ecoflex (adhesive strength is 4.7 kPa) as an encapsulation layer and proposed a rational encapsulation model that fully encapsulated the hydrogel within Ecoflex. Owing to the excellent barrier and resilience of Ecoflex, the encapsulated hydrogel-based sensor can still work normally after 30 days, displaying excellent long-term stability. In addition, we performed theoretical and simulation analyses on the contact state between the hydrogel and the electrode. It was surprising to find that the contact state significantly affects the sensitivity of the hydrogel sensors (the maximum difference in sensitivity was 333.6%), indicating that the reasonable design of the encapsulation and electrode are indispensable parts for fabricating successful hydrogel sensors. Therefore, we paved the way for a novel insight to optimize the properties of the hydrogel sensors, which is greatly favorable to developing hydrogel-based sensors to be applied in various fields.

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Effect of Space Angle of Constriction Resistance and Contact Resistance for the Case of Line Contact

Cited by 14 publications

References 6 publications

Electrical Contact Resistance of Contact Bodies With Cambered Surface

Electrical Contact Resistance of Contact Bodies With Cambered Surface

Welding time effect on mechanical properties of automotive sheets in electrical resistance spot welding

A Flexible Sensor with Excellent Environmental Stability Using Well-Designed Encapsulation Structure

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