Results 11 to 20 of about 1,886,583 (276)
Rolling contact fatigue of silicon nitride. [PDF]
Silicon Nitride has traditionally been used as rolling contact bearing material owing to its superior performance compared to bearing steels. Its successful application as a bearing element has led to the development of Silicon Nitride in other rolling ...
Wang, W.
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Comparison of 4-ball and 5-ball rolling contact fatigue tests on lubricated Si3N4/steel contact [PDF]
, 2003 Accelerated four-ball and five-ball rolling tests were performed on HIPed Si3N4 ball samples (rough lapped with surface roughness value Ra0.08 μm and Rq0.118 μm) in fully lubricated condition.
Kang, J, Hadfield, M
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The influence of heterogenous porosity on silicon nitride/steel wear in lubricated rolling contact [PDF]
, 2000 Heterogeneous porosity is detected on the surface and subsurface of hot isostatically pressed (HIPed) silicon nitride spherical rolling elements. The extent of the localised porosity accounts for an area of 6% of the rolling element surface and 4% of the
Kang, J, Hadfield, M
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Erosion and rolling contact wear mechanisms in silicon nitride hybrid bearings. [PDF]
One remarkable advantage of hybrid bearings over all steel bearings is the elimination of separate oil lubricant system in applications, such as compressors and pumps in refrigeration and air conditioning units.
Karunamurthy, Balamurugan
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Contact Pressure Measurement System in Cross Wedge Rolling [PDF]
, 2010 In the cross wedge rolling process (CWR), plastic deformation is geared by a driving torque transmitted by friction on die surface. Friction plays a role which has to be further identified in this metal forming process. The local contact pressure between
MANGIN, Philippe +2 more
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Spanish Journal of Agricultural Research, 2015 Qualitative and quantitative analysis of contact patch length-rolling resistance, contact patch width-rolling resistance and tire deflection-rolling resistance at different wheel load and inflation pressure levels is presented.
Parviz Tomaraee +3 more
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Metals, 2019 In metalworking, rolling is a metal-forming process in which slab is passed through one or more pairs of the rolling dies to reduce the thickness and to make the thickness uniform. Modeling of rolling die contact with the slab primarily needs to describe
Mesay Alemu Tolcha, Holm Altenbach
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Nihon Kikai Gakkai ronbunshu, 2018 Linkage mechanisms with 1 DOF consisting of links and lower pairs cannot completely generate the specified output motion. In order to solve that problem, the novel kinematic pair with 1 DOF is developed.
Naoto KIMURA +2 more
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Advances in Materials Science and Engineering, 2020 The investigation of the contact responses is the key for evaluating the local wear of dies in the plastic forming process. This paper investigated the contact load distributions and evolutions of the roller cavities in the compressor blade rolling ...
Qichao Jin, Wenhu Wang, Ruisong Jiang
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The limiting Strength for Rolling Contact
Transactions of the Japan Society of Mechanical Engineers, 1947 アムスラー磨耗試驗機にて摩擦モーメントの測定により轉り接觸の斑磨耗耐久限度を求め,滑りを伴なうとき耐久限度は潤滑油の摩擦係數すなわち油性に影響されることを知つた。また滑りを伴なう接觸應力を破損の定理に適用してみると主歪または剪斷歪エネルギのある深さまでの平均値を許容應力とするとき比較的によく適合すると考えられる。
NISHIHARA, Toshio, ENDO, Kichiro
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