?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F544%2F&rft.title=Stress+intensity+In+a+thermoroll&rft.creator=Ward%2C+M.J.&rft.subject=Materials&rft.description=During+the+manufacture+of+coated+paper+products%2C+a+paper-making+stock+consisting+of+water+and+1%25+or+less+wood+fibers+is+prepared+by+chemically+or+mechanically+separating+the+fibers+from+wood.+A+screening+process+removes+most+of+the+water%3B+the+remainder+is+removed+through+pressing+against+felts+and+contact+drying.+The+web+is+further+densified+by+passing+it+through+high+pressure+calender+rolls%2C+resulting+in+about+a+two-fold+decrease+in+caliper+of+the+pressed+and+dried+paper.+The+web+may+then+pass+through+a+number+of+calender+nips.+This+last+stage+of+densification+involves+high+temperatures+and+pressures+that+lead+to+high+stresses+in+the+roll+material.%0D%0A%0D%0AA+stack+consists+of+two+rolls%3A+one+has+a+polymeric+elastomer+covering%2C+the+other+is+a+solid+iron+alloy+(the+thermoroll).+It+is+our+task+to+estimate+the+stresses+in+the+thermoroll+under+standard+operating+conditions%2C+and+determine+whether+it+is+possible%2C+under+certain+conditions%2C+for+cracking+or+roll+failure+to+occur.%0D%0A%0D%0AThe+main+focus+of+our+group+was+to+calculate+the+temperature+gradient+in+the+thermoroll+and+to+determine+whether+this+gradient+can+lead+to+an+intensification+of+stress+in+the+nip+region.&rft.date=1997&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F544%2F1%2FStress-intensity-in-a-thermoroll.pdf&rft.identifier=++Ward%2C+M.J.++(1997)+Stress+intensity+In+a+thermoroll.++%5BStudy+Group+Report%5D+++++