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| 1 | Interplay between microstructural evolution and tribo-chemistry during dry sliding of metals显示文摘Understanding the microstructural and tribo-chemical processes during tribological loading is of utmost importance to further improve the tribological behavior of metals. In this study, the friction, wear and tribo-chemical behavior of Ni with different initial microstructures(nanocrystalline, bi-modal, coarse-grained) is investigated under dry sliding conditions. In particular, the interplay be-tween frictional response, microstructural evolution and tribo-oxidation is considered. Friction tests are carried out using ball-on-disk experiments with alumina balls as counter-bodies, varying the load between 1 and 5 N. The microstructural evolution as well as the chemical reactions beneath the samples’ surface is investigated by means of cross-sections. The samples with finer microstructures show a faster run-in and lower maximum values of the coefficient of friction(COF) which can be attributed to higher oxidation kinetics and a higher hardness. It is observed that with increasing sliding cycles, a stable oxide layer is formed. Furthermore, initially coarse-grained samples show grain refinement, whereas initially finer microstructures undergo grain coarsening converging towards the same superficial grain size after 2,000 sliding cycles. Consequently, the experimental evidence supports that, irrespective of the initial microstructure, after a certain deformation almost identical steady-state COF values for all samples are achieved. | Philipp GGRÜTZMACHER Sebastian RAMMACHER Dominic RATHMANN Christian MOTZ FrankMÜCKLICH Sebastian SUAREZ | 2019 | Friction2019，7，6： | 5 |
| 2 | Ten-year change in serum uric acid and its relation to changes in other metallic risk factors in young black and white adults:the CARDIA study显示文摘 | Rathmann W Haastert B Icks A | 2007 | Eur J Epidemiol2007，22，7： | 1 |
| 3 | Modelling and measurements of wakes in large wind farms显示文摘 | BARTHELEMIE R J RATHMANN O FRANDSEN S T | | 0，，： | 1 |
| 4 | The importance of specialist treatment,treatment satisfaction and diabetes education for the compliance of subjects with type 2 diabetes -results from a population-based survey显示文摘 | Arnold-Worner N Holle R Rathmann W | 2008 | Exp Clin Endocrinol Diabetes2008，116，2： | 1 |
| 5 | The impact of BMI on polytrauma outcome 显示文摘 | Hoffmann M Lefering R Gruber - Rathmann M | 2012 | Injury2012，43，2： | 1 |
| 6 | Cardiovascular drug prescriptions and risk of depression in diabetic patients显示文摘 | Rathmann W Haastert B Roseman JM | 1999 | J Clin Epidemiol1999，52，11： | 1 |
| 7 | Sprouty2 but not Sprouty4 is a potent inhibitor of cell proliferation and migration of osteosarcoma cells显示文摘 | Rathmanner N Haigl B Vanas V | 2013 | FEBS Lett2013，587，： | 1 |
| 8 | Chromiumsupplementation alters both glucose and lipid metabolism infeedlot cattle during the receiving period 显示文摘 | Bermhard B C Burdick N C Rathmann R J | 2012 | J Anim Sci2012，90，13： | 1 |
| 9 | Global prevalence of diabetes:es-timates for the year 2000 and projections for 2030 显示文摘 | Rathmann W Giani G | 2004 | Diabetes Care2004，27，10： | 1 |
| 10 | Prediabetes:a high- risk state for diabetes development显示文摘 | Tabak AG Herder C Rathmann W | 2012 | Lancet2012，379，9833： | 1 |
| 11 | Prediabetes: a high- risk state for diabetes development 显示文摘 | Tabak AG Herder C Rathmann W | 2012 | Lancet2012，379，9833： | 1 |
| 12 | Chro- mium supplementation alters both glucose and lipid metabolism in feedlot cattle during the receiving period 显示文摘 | BERNHARD B C BURDICK N C RATHMANN R J | 2012 | J Anita Sci2012，90，13： | 1 |
| 13 | Global prevalence of diabetes:Estimates for the year 2000 and projections for 2030显示文摘 | Rathmann W Giani G | 2004 | Diabetes Care2004，27，10： | 1 |
| 14 | Global prevalence of diabetes: estimates for the year 2000 and projections for 2030 显示文摘 | Rathmann W Giani G | 2004 | Diabetes Care2004，27，10： | 1 |
| 15 | Association of passive and active smoking with incident type 2 diabetes mellitus in the elderly population:the KORA S4/F4 cohort study显示文摘 | Kowall B Rathmann W Strassburger K | 2010 | Eur J Epidemiol2010，25，6： | 1 |
| 16 | Low-grade inflammation,obesity,and insulin resistance in adolescents显示文摘 | Herder C Schneitier S Rathmann W | 2007 | J Clin Endocrinol Metab2007，92，9： | 1 |
| 17 | Cardiovoscuiar risk factors in newly diagnosed abnormal glucose tolerance: comparison of 1997ADA and 1985WHO criteria显示文摘 | Rathmann W Giani G Mielck A | 1999 | Diabetologia1999，42，： | 1 |
| 18 | Mortality in diabetic patients with cardiovascular autonomic neuropathy 显示文摘 | Rathmann W Ziegler D Jahnke M | 1993 | Diabet Med1993，10，： | 1 |
| 19 | Socioeconomic status is not associated with type 2 diabetes incidence in an elderly population in Germany: KORA $4/F4 cohort study显示文摘 | Kowall B Rathmann W Strassburger K | 2011 | J Epidemid Community Heath2011，65，7： | 1 |
| 20 | Impact of early psychosocial factors(childhood socioeconomic factors and adversities) on future risk of type 2 diabetes, metabolic disturbances and obesity: a systematic review显示文摘 | Tamayo Teresa Christian Herder Rathmann Wolfgang | 2010 | BMC Public Health2010，，10： | 1 |
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