ExercisesDetermine the permanent creep strain ${}_p$ from the test data ${}_t={}_t(t)$ of a $(x6$CrNi$1811$;${}_0=90$MPa;$T=650C)$

$\backslash$table$[[$Nr$.,\backslash$epsi $\_($t$)[\%],\backslash$table$[[$t$[$h$]\_((3))]],\backslash$table$[[\backslash$epsi $\_($creep $)[\%]]],\backslash$table$[[$d$\backslash$epsi $/$dt$[$s$^(-1)]],[(5)]],\backslash$epsi $\_($creep $)($s$^(-1))$:$\}],[1,0,0,,,],[2,0\mathrm{.}27,5,,,],[3,0\mathrm{.}52,12\mathrm{.}5,,,],[4,0\mathrm{.}87,25,,,],[5,1\mathrm{.}46,50,,,],[6,2\mathrm{.}68,100,,,],[7,3\mathrm{.}83,150,,,],[8,5\mathrm{.}00,200,,,],[9,6\mathrm{.}24,250,,,],[10,8\mathrm{.}75,350,,,],[11,10\mathrm{.}05,400,,,],[12,13\mathrm{.}26,500,,,],[13,16\mathrm{.}86,600,,,],[14,21\mathrm{.}96,700,,,],[15,25\mathrm{.}36,750,,,],[16,27\mathrm{.}86,777,,,]]$

creep test on the stainless steel alloy type $304$ L and complete the Table $1.$

Construct the creep curve on the given scale paper using these data and

determine the secondary creep rate ${}_s^{}$ of this specimen.

${}_p={}_t-\frac{{}_0}{E(T)},$ with $E(650C)=145000$MPa

$E$ steel $atRT=200000$MPa

Determine the permanent creep strain $$p from the test data $$t $=$t $($t$)$ of a

creep test on the stainless steel alloy type $304$L and complete the Table $1.$

Construct the creep curve on the given scale paper using these data and

determine the secondary creep rate of this specimen