Surface force-induced bonding at metal multiasperity contacts
Identifieur interne : 01A362 ( Main/Repository ); précédent : 01A361; suivant : 01A363Surface force-induced bonding at metal multiasperity contacts
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Abstract
Adhesion at multiasperity contacts of clean metal surfaces obtained by rupture in an ultrahigh vacuum and by vacuum deposition of thin metal films onto flat surfaces has been investigated. Indium and lead were chosen in this study because their high surface energy to hardness ratios allowed us to expect a marked surface force effect in adhesion. In the region of small applied loads, the adhesion coefficient varied from ∼1 to ∼200 while surface roughness Ra varied from ∼120 to ∼0.01 μm. In the case of smooth surfaces (Ra = 0.01-0.03 μm), complete bonding of the contacting surfaces at room temperature and under small applied loads (0.1-0.5 MPa, which is much smaller than the yield stress of metals in contact) occurred. This effect is considered to be evidence of a surface force contribution to adhesion. Such effect appeared to be useful in bonding non-metallic materials by the use of thin metal films as an adhesion-promoting interlayer.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Surface force-induced bonding at metal multiasperity contacts</title><author><name sortKey="Maniks, J" uniqKey="Maniks J">J. Maniks</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Solid State Physics, University of Latvia, 8 Kengaraga St.</s1><s2>1063 Riga</s2><s3>LVA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Lettonie</country><wicri:noRegion>1063 Riga</wicri:noRegion></affiliation></author><author><name sortKey="Simanovskis, A" uniqKey="Simanovskis A">A. Simanovskis</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Solid State Physics, University of Latvia, 8 Kengaraga St.</s1><s2>1063 Riga</s2><s3>LVA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Lettonie</country><wicri:noRegion>1063 Riga</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">96-0317110</idno><date when="1996">1996</date><idno type="stanalyst">PASCAL 96-0317110 INIST</idno><idno type="RBID">Pascal:96-0317110</idno><idno type="wicri:Area/Main/Corpus">01AC49</idno><idno type="wicri:Area/Main/Repository">01A362</idno></publicationStmt><seriesStmt><idno type="ISSN">0169-4243</idno><title level="j" type="abbreviated">J. adhes. sci. technol.</title><title level="j" type="main">Journal of adhesion science and technology</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adhesion</term><term>Adhesive strength</term><term>Indium</term><term>Lead</term><term>Rough surface</term><term>Roughness</term><term>Smooth surface</term><term>Surface conditions</term><term>Surface properties</term><term>Thin film</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Couche mince</term><term>Adhérence</term><term>Rugosité</term><term>Etat surface</term><term>Force adhérence</term><term>Surface rugueuse</term><term>Surface lisse</term><term>Indium</term><term>Plomb</term><term>Propriété surface</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Plomb</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Adhesion at multiasperity contacts of clean metal surfaces obtained by rupture in an ultrahigh vacuum and by vacuum deposition of thin metal films onto flat surfaces has been investigated. Indium and lead were chosen in this study because their high surface energy to hardness ratios allowed us to expect a marked surface force effect in adhesion. In the region of small applied loads, the adhesion coefficient varied from ∼1 to ∼200 while surface roughness R<sub>a</sub> varied from ∼120 to ∼0.01 μm. In the case of smooth surfaces (R<sub>a</sub> = 0.01-0.03 μm), complete bonding of the contacting surfaces at room temperature and under small applied loads (0.1-0.5 MPa, which is much smaller than the yield stress of metals in contact) occurred. This effect is considered to be evidence of a surface force contribution to adhesion. Such effect appeared to be useful in bonding non-metallic materials by the use of thin metal films as an adhesion-promoting interlayer.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0169-4243</s0></fA01><fA02 i1="01"><s0>JATEE8</s0></fA02><fA03 i2="1"><s0>J. adhes. sci. technol.</s0></fA03><fA05><s2>10</s2></fA05><fA06><s2>6</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Surface force-induced bonding at metal multiasperity contacts</s1></fA08><fA11 i1="01" i2="1"><s1>MANIKS (J.)</s1></fA11><fA11 i1="02" i2="1"><s1>SIMANOVSKIS (A.)</s1></fA11><fA14 i1="01"><s1>Institute of Solid State Physics, University of Latvia, 8 Kengaraga St.</s1><s2>1063 Riga</s2><s3>LVA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA20><s2>541-558 [17 p.]</s2></fA20><fA21><s1>1996</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>21725</s2><s5>354000044288770030</s5></fA43><fA44><s0>0000</s0><s1>© 1996 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>47 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>96-0317110</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of adhesion science and technology</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Adhesion at multiasperity contacts of clean metal surfaces obtained by rupture in an ultrahigh vacuum and by vacuum deposition of thin metal films onto flat surfaces has been investigated. Indium and lead were chosen in this study because their high surface energy to hardness ratios allowed us to expect a marked surface force effect in adhesion. In the region of small applied loads, the adhesion coefficient varied from ∼1 to ∼200 while surface roughness R<sub>a</sub> varied from ∼120 to ∼0.01 μm. In the case of smooth surfaces (R<sub>a</sub> = 0.01-0.03 μm), complete bonding of the contacting surfaces at room temperature and under small applied loads (0.1-0.5 MPa, which is much smaller than the yield stress of metals in contact) occurred. This effect is considered to be evidence of a surface force contribution to adhesion. Such effect appeared to be useful in bonding non-metallic materials by the use of thin metal films as an adhesion-promoting interlayer.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70C61A</s0></fC02><fC02 i1="02" i2="X"><s0>240</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Couche mince</s0><s5>55</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Thin film</s0><s5>55</s5></fC03><fC03 i1="01" i2="X" l="GER"><s0>Duennschicht</s0><s5>55</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Capa fina</s0><s5>55</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Adhérence</s0><s5>56</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Adhesion</s0><s5>56</s5></fC03><fC03 i1="02" i2="X" l="GER"><s0>Adhaesion</s0><s5>56</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Adherencia</s0><s5>56</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Rugosité</s0><s5>57</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Roughness</s0><s5>57</s5></fC03><fC03 i1="03" i2="X" l="GER"><s0>Rauhigkeit</s0><s5>57</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Rugosidad</s0><s5>57</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Etat surface</s0><s5>58</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Surface conditions</s0><s5>58</s5></fC03><fC03 i1="04" i2="X" l="GER"><s0>Oberflaechenzustand</s0><s5>58</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Estado superficie</s0><s5>58</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Force adhérence</s0><s5>59</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Adhesive strength</s0><s5>59</s5></fC03><fC03 i1="05" i2="X" l="GER"><s0>Haftfestigkeit</s0><s5>59</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Fuerza adherencia</s0><s5>59</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Surface rugueuse</s0><s5>60</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Rough surface</s0><s5>60</s5></fC03><fC03 i1="06" i2="X" l="GER"><s0>Rauhe Oberflaeche</s0><s5>60</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Superficie rugosa</s0><s5>60</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Surface lisse</s0><s5>61</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Smooth surface</s0><s5>61</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Superficie lisa</s0><s5>61</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Indium</s0><s2>NC</s2><s5>62</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Indium</s0><s2>NC</s2><s5>62</s5></fC03><fC03 i1="08" i2="X" l="GER"><s0>Indium</s0><s2>NC</s2><s5>62</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Indio</s0><s2>NC</s2><s5>62</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Plomb</s0><s2>NC</s2><s2>FX</s2><s5>63</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Lead</s0><s2>NC</s2><s2>FX</s2><s5>63</s5></fC03><fC03 i1="09" i2="X" l="GER"><s0>Blei</s0><s2>NC</s2><s2>FX</s2><s5>63</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Plomo</s0><s2>NC</s2><s2>FX</s2><s5>63</s5></fC03><fC03 i1="10" i2="X" l="FRE"><s0>Propriété surface</s0><s5>64</s5></fC03><fC03 i1="10" i2="X" l="ENG"><s0>Surface properties</s0><s5>64</s5></fC03><fC03 i1="10" i2="X" l="GER"><s0>Oberflaecheneigenschaft</s0><s5>64</s5></fC03><fC03 i1="10" i2="X" l="SPA"><s0>Propiedad superficie</s0><s5>64</s5></fC03><fN21><s1>218</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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