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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 | Products of steel slags an opportunity to save natural resources显示文摘 | H Motz J Geiseler | 2001 | Waste Management2001，，3： | 4 |
| 3 | Structural and functional alterotions of the intramyocardal coronary arterioles in patients with arterial hypertension显示文摘 | Schwartzkopff B Motz W Frenzel H | 1993 | Circulation1993，88，3： | 1 |
| 4 | Pathophysiology and clin-ical aspects of hypertensive hypertrophy显示文摘 | Vogt M Motz WH Schwartzkopf B | 1993 | Eur Heart J1993，14，： | 1 |
| 5 | Deciphering and reversing tumor immunesuppression显示文摘 | Motz GT Coukos G | 2013 | Immunity2013，39，1： | 1 |
| 6 | Heme oxygenase-1 induction by NRF2 requires inactivation of the transcriptional repressor Bachl 显示文摘 | Reichard JF Motz GT Puga A | 2007 | Nucleic Acids Res2007，35，21： | 1 |
| 7 | Novel hyperbranched ferrocene-containing poly(boro)carbosilanes synthesized via a convenient 'A2+B3' approach显示文摘 | Kong J Schmalz T Motz G | 2011 | Macromolecules2011，44，： | 1 |
| 8 | Work hardening and microstructure of A1Mg5 after severe plastic deformation by cyclic extrusion and compression 显示文摘 | RICHERT M STUWE H P ZEHETBAUER M J RICHERT J PIPPAN R MOTZ C SCHAFLER E | 2003 | Materials Science and Engineering A2003，355，： | 1 |
| 9 | Chronic cigarette smoke exposure primes NK cell activation in a mouse model of chronic obstructive pulmonary disease显示文摘 | Motz GT Eppert BL Wortham BW | 2010 | J Immunol2010，184，8： | 1 |
| 10 | Difeerdntial therapy of hypertension heart disease显示文摘 | | 1990 | Am J Cardiol1990，65，1： | 1 |
| 11 | Is oxidative stress the pathogenic mechanism underlying insulin resistance,diabetes and cardiovascular disease? the common soil hypothesis revisited显示文摘 | Ceriello A Motz E | 2004 | Arterioscler Thromb Vasc Biol2004，24，5： | 1 |
| 12 | Products of steel slags, an opportunity to save natural resourees显示文摘 | Motz H Geiseler J | 2001 | Waste Management2001，21，3： | 1 |
| 13 | A post-Amadori inhibitor pyridoxamine also inhibits chemical modification of proteins by scavenging Carbonyl intermediates of carbohydrate and lipid degradation显示文摘 | Voziyan PA Motz TO Baynes JW | 2002 | J Biol Chem2002，277，5： | 1 |
| 14 | Detection of hepatitis B virus in serum using amplification of viral DNA by means of polymerase chain reaction显示文摘 | Sumazaki R Motz M Wolf H | 1989 | J Med Virol1989，27，： | 1 |
| 15 | Disorders of coronary microcirculation and arrhythm ias in system ie arterial hyperyension显示文摘 | Vot M Motz W Scheler S | 1990 | Am J Cardiol1990，65，： | 1 |
| 16 | Impaired coronary flow reserve in NIDDM:a possible role for diabetic cardiopathy in humans显示文摘 | Strauer BE Motz W Vogt M | 1997 | Diabetes1997，46，： | 1 |
| 17 | Develop- ment of requirements for eommunieation management on board in the framework of the e-navigation eoneept 显示文摘 | MOTZ F DALINGER E HOCKEL S | 2011 | International Journal on Marine Navigation and Safety of Sea Transportation2011，5，1： | 1 |
| 18 | Is oxidative stress the pathogenic mechanism underlying insulin resistance, diabetes, and cardiovascular disease? The common soil hypothesis revi- sited 显示文摘 | Ceriello A Motz E | 2004 | Arterioscler Thromb Vasc Biol2004，24，5： | 1 |
| 19 | Bioabsorbable implants in orthopaedics:new developments and clinical applications 显示文摘 | Ciccone WJ Motz C Bentley C | 2001 | J Am Acad Orthop Surg2001，9，： | 1 |
| 20 | Hyperglycemia-induced Circulating ICAM-1 Increased in Diabetes Mellitus:the Possi- ble Role of Oxidation Stress显示文摘 | Ceriello A Falleti E Motz E | 1998 | Horm Metab Res1998，30，3： | 1 |
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