material selection for wear application

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv :

    K- Xamnjdqlqjm

    :- Gambcamj Jqv

    Jqv carqxjejm earqvjejm xjnj xarcqejjm vblkn djvkl njrk xar`arjejm nk jm~jrj

    xarcqejjm vblkn njm xarcqejjm j~jq vqov~jmvk ljkmm{j- Djvkl njrk earqvjejm okjvjm{j

    cam`djvklejm eadkljm`jm cj~arkjl- Nk nqmkj ~aemke, jqv okjvjm{j nkdqoqm`ejm nam`jm

    xarqojdjm nkcamvk j~jq oam~qe nkcjmj cacxam`jrqdk xargbrcj njrk cj~arkjl oqejm

    nkdqoqm`ejm nam`jm eadkljm`jm wblqca-U:S

    Caejmkvca jqv njxj~ oarwjrkjvk xjnj va~kjx cj~arkjl ~ar`jm~qm` njrk vkgj~ cj~arkjl

    njm iq`j lkm`eqm`jm vjj~ jqv ~arijnk- Ea~jdjmjm jqv oqejm carqxjejm vkgj~ km~rkmvke cj~arkjl

    vaxar~k eaearjvjm mjcqm carqxjejm vkv~ac njrk vkgj~ cj~arkjl- @joqm`jm njrk caejmke, ekckj

    njm lkm`eqm`jm {jm` cam{aojoejm jqv nkvaoq~ iq`j nam`jm ~rkobvkv~ac- Xjrjca~ar

    ~rkobvkv~ac okjvjm{j nk`qmjejm qm~qe camnavjkm njm cacklkd cj~arkjl {jm` vavqjk, nkcjmj

    xjrjc~ar ~arvaoq~ njxj~ oarqxj cj~arkjl, ebm~qr xarcqejjm, lqorkejvk njm eaejvjrjm-

    Xjrjca~ar navjkm {jm` nkxklkd ~arvaoq~ njxj~ cam`qrjm`k ljiq jqv nam`jm oaoarjxj fjrj {jk~q

    nam`jm cbnkgkejvk xarcqejjm camijnk laokd ~jdjm jqv nam`jm cam``qmjejm cj~arkjl ~jdjm

    jqv j~jq xarojkejm cj~arkjl nam`jm camkm`ej~ejm xackvjdjm nam`jm xarcqejjm, nam`jm

    cam`qrjm`k ebm~je {jm` oarojdj{j, xam``qmjjm lqorkejm nkcjmj njxj~ camkm`ej~ejm

    ea~jdjmjm jqv ejramj cam`qrjm`kvdajr gbrfav nk xarcqejjm-U:S

    ^arnjxj~ 6 ~kxa qcqc vk~qjvk jqv {jk~q ea~kej ~arnjxj~ xar`arjejm ? xjr~keal xjnj~jm

    {jm` ebm~je ljm`vqm` ckvjlm{j vlknkm`, rbllkm` j~jq kcxje, ea~kej nkvaojoejm blad

    xar`arjejm lkzqknnk xarcqejjm xjnj~jm j~jq {jm` varkm` nkvaoq~ arbvkbm pajrnjm jorjvkwa

    pajrnkcjmj jqv ~arijnk jekoj~ xjr~keal earjv-U:S

    Caejmkvca jqv vamnkrk ~aroj`k camijnk > {jk~q jndavkwa pajr, jorjvkwa pajr $fq~~km`,

    nagbrcjvk xljv~kv+, gj~k`qa" gj~k`qa lkea pajr $oardqoqm`jm nam`jm kmkvkjvk ra~je njm

    xrbxj`jvk+, fbrrbvkwa pajr $oardqoqm`jm nam`jm rajevk xrbnqe+, j~jqxqm carqxjejm

    ebcokmjvk, nkcjmj njxj~ nkoj`k oarnjvjr ebagkavkam vlknkm` pajr vaxar~k {jm` ~arlkdj~ xjnj

    ^joal :-U:S

    ^joal :- Ebagkvkamvlknkm` pajrU:S

    Caejmkvca jqv Ebagkvkam vlknkm` pajr

    Jndavkwa :8# :8#

    Jorjvkwa :8#

    :8#

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv ?

    Fbrrbvkwa pajr :8#0 :8#?

    Gj~k`qa pajr :8#

    @jcojr :- Caejmkvca jqv $j+ jorjvkwa pajr$o+ jndavkwa pajr$f+ arbvkwa pajrU?S

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    ojdpj cj~arkjl ~jdjm jqv jnjljd cj~arkjl {jm` ~a~jx njxj~ cacxar~jdjmejm oam~qe njm

    nkcamvkm{j xjnj vjj~ gambcamj jqv ~arijnk- Cj~arkjl ~jdjm jqv njxj~ nk`qmjejm qm~qe

    cam`qrjm`k xarqojdjm nkcamvk jekoj~ jnjm{j eadkljm`jm cj~arkjl, cam`qrjm`k grkf~kbmjl

    lbvvav, qm~qe cacxarojkek xargbrcj gkvke ebcxbmam njm j~jq cam{ankjejm xarcqejjm {jm`

    v~jokl- Vaxar~k {jm` ~aljd nkialjvejm vaoalqcm{j ojdpj jqv njxj~ ~arijnk nk cj~arkjl nam`jm

    oaroj`jk caejmkvca- Caejmkvca jqv k~q vamnkrk njxj~ ~arijnk vamnkrk j~jq ebcokmjvk- Ijnk

    xacklkdjm cj~arkjl jejm ~ar`jm~qm` njrk ~kxa jqv njm iq`j lkm`eqm`jmm{j-U6S

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv 6

    KK- Iamkv Cj~arkjl ^jdjm Jqv

    Cj~arkjl ~jdjm jqv ~arnkrk njrk oarcjfjc cjfjc iamkv- Oarkeq~ kmk carqxjejm iamkv

    iamkv cj~arkjl ~jdjm jqv9

    j- Lb`jcU>S

    Cjm`jmava v~aal9 cacklkek eaearjvjm {jm` ~km``k nkcjmj ~a`jm`jm lqlqd 6>1 >:1

    CXj- Nam`jm xamjcojdjm Cb xjnj ojij Cm cjej ea~jm``qdjm, ea~jdjmjm ~ardjnjx

    ra~je jejm camkm`ej~- Xarljeqjm xjmjv xjnj ojij Cm njxj~ camkm`ej~ejm eaeqj~jm

    ~jrke, lqlqd, ea~jm``qdjm njm ea~jdjmjm jorjvk- Okjvjm{j nk`qmjejm vaoj`jk

    xam`djmfqr oj~q, ebcxbmam rjm~jk ~jme, ebcxbmam kmnqv~rk vacam, jlj~ xar~jcojm`jm

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    kcxallar, fbjl frqvdar, vlqrr{ xqcx- Nkcjmj ~arnjxj~ 6 xarljeqjm xjmjv xjnj xrbvav

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    gklcv njm xarljeqjm xarcqejjm- Cj~arkjl oqle ~jdjm jqv okjvjm{j jejm cacoarkejm pje~q

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv >

    ea~jdjmjm jqv {jm` laokd ljcj- Mjcqm jxjoklj ~ardjcoj~ nam`jm ea~arvankjjm njm vqvjdm{j

    cjmqgje~qr njrk cj~arkjl oqle~jdjm jqv njxj~ nk~jm``qljm`k nam`jm xam``qmjjm fbj~km`"gklc-

    Fbj~km`"gklc jejm cacklkek xargbrcj {jm` ojke jxjoklj nkebcokmjvk nam`jm cj~arkjl ljkm-

    Xacklkdjm vqov~rj~ camijnk xam~km` nkcjmj cj~arkjl vqov~rj~ djrqv ebcxj~koal nam`jm pajr

    gklc naxbvk~kbm njm lkm`eqm`jm ~qcoqd- Cbnkgkejvk xarcqejjm iq`j njxj~ nkljeqejm xjnj

    cj~arkjl ~jdjm jqv- ^arnjxj~ cj~arkjl ~jdjm jqv {jm` ~aroam~qe vafjrj at vk~q njm camacxal

    xjnj vqov~rj~ {jk~q facam~km`, orjykm`, nkggqvkbm obmnkm`-U6S

    KKK- Vkgj~ vkgj~ Xam~km` Cj~arkjl ^jdjm Jqv

    Vafjrj qcqc vkgj~ {jm` nkoq~qdejm qm~qe cj~arkjl ~jdjm jqv jnjljd ebcokmjvk {jm`

    ~axj~ jm~jrj eaearjvjm njm ea~jm``qdjm-U7S Vkgj~ # vkgj~ xjnj cj~arkjl ~jdjm jqv {jk~q9

    Eaearjvjm9 cj~arkjl ~jdjm jqv djrqv cacklkek mkljk eaearjvjm {jm` ~km``k j`jr ~jdjm vjj~

    ~arnjxj~ xjr~keal xjnj~ {jm` cam``brav- Eaearjvjm vjm`j~ oarxam`jrqd xjnj jqv ejramj

    jejm vjm`j~ vqlk~ qm~qe cacq~qvejm kej~jm nkcjmj jxjoklj kej~jm cqnjd ~arxq~qv cjej

    jqv jejm vacjekm ~km``k- Blad vaojo k~q xjnj cj~arkjl jqv nk`qmjejm cj~arkjl {jm`

    earjv-U6S

    Ea~jm``qdjm 9 Nkcjmj carqxjejm `joqm`jm jm~jrj eaeqj~jm njm eaqla~jm vadkm``j ~knje

    djm{j eqj~ njm earjv mjcqm xjnj vjj~ ~areamj oaojm, cj~arkjl ~knje jejm cam`jljck

    ea`j`jljm-U>S

    Qcqcm{j cj~arkjl ~jdjm jqv cacklkek fjcxqrjm vkgj~ earjv njm qla~ nkcjmj djl

    ~arvaoq~ nknjxj~ejm nam`jm xacjnqjm j~jq xarljeqjm xjmjv-U>S

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    Grjf~qra ~bq`dmavv9 vacjekm ~km``k mkljk grjf~qra ~bq`dmavv njrk cj~arkjl ~jdjm jqv cjej

    vacjekm eqj~ cj~arkjl ~arvaoq~ qm~qe camjdjm xarjcoj~jm ra~je

    Ea~jdjmjm ebrbvk {jm` ojke9 nkoq~qdejm ejramj lkm`eqm`jm bxarjvk ebrbvkg

    _km`jm

    Vkgj~ vkgj~ xam~km` ljkm {jm` nkoq~qdejm xjnj cj~arkjl ~jdjm jqv jejm ~ar`jm~qm`

    jxlkejvk- Xjnj ^joal ? njxj~ nklkdj~ vkgj~ vkgj~ ljkm {jm` nkoq~qdejm cj~arkjl ~jdjm jqv

    ~ar`jm~qm` jxlkejvkm{j njm cj~arkjl {jm` vavqjk qm~qe jxlkejvk ~arvaoq~-

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv 1

    ^joal ?- Vkgj~ vkgj~ cj~arkjl ~jdjm jqv ~ar`jm~qm` njrk ebmnkvk bxarjvk njm cj~arkjl {jm` vavqjkU7S

    KW- Xrbvav Navk m njm Erk~arkj Xacklkdjm Cj~arkjl

    :- Xrbvav Navjkm njm Erk~arkj Xacklkdjm Cj~arkjl vafjrj Qcqc

    Eqmfk eavqevavjm cacklkd cj~arkjl ~jdjm jqv qm~qe jxlkejvk ~ar~am~q jnjljd nam`jm

    cacklkd cj~arkjl {jm` ~axj~, xrbvav {jm` nk`qmjejm njm navjkm {jm` vavqjk- Xrbvav navjkm

    raej{j calkxq~k cacamqdk v{jrj~ {jm` nkoq~qdejm nam`jm djr`j ~arcqrjd, navjkm, cj~arkjl

    njm ebcokmjvk xrbvav vaxar~k xjnj @jcojr ? nk ojpjd kmk- Valjkm k~q camijnk xam~km` iq`j

    cam`a~jdqk nj~j vkgj~ vkgj~ cj~arkjl {jm` km`km nk`qmjejm-

    @jcojr ?- ^jdjxjm xrbvav navjkm njm xacklkdjm cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv 7

    Xacklkdjm cj~arkjl kmk vamnkrk ~aroj`k camijnk oaoarjxj ~jdjxjm {jk~q9

    j- Cam`a~jdqk gqm`vk njrk cj~arkjl

    o- Cam`a~jdqk erk~arkj cj~arkjl {jm` nkoq~qdejm

    f- Camam~qejm vkgj~ cj~arkjl {jm` nkoq~qdejm

    n- _qjm` lkm`eqx cjmqgje~qr {jm` jejm nk qmjejm

    a- Cacojmnkm`ejm vacqj vkgj~ {jm` jnj

    g- Cam`awjlqjvk ejmnknj~ cj~arkjl

    `- Camam~qejm oam~qe cj~arkjl {jm` jejm nkoqj~

    d- Camam~qejm xrbvav {jm` jejm nk`qmjejm

    k- Camijnk xrbnqe

    ?- Xrbvav Navjkm njm Erk~arkj Xacklkdjm Cj~arkjl ^jdjm Jqv

    Xacklkdjm cj~arkjl njm ca~bna qm~qe jxlkejvk jqv carqxjejm oj`kjm {jm` vjm`j~

    xam~km` qm~qe eacjiqjm ~aemblb`k njm je~kwk~jv cjmqgje~qr- ^q`jv q~jcj njljc xacklkdjm

    cj~arkjl qm~qe jxlkejvk jqv jnjljd camam~qejm eaoq~qdjmjm xargbrcj {jm` nkoq~qdejm njm

    eaoq~qdjm okj{j-U6S

    Djl {jm` xjlkm` xam~km` qm~qe xacklkdjm cj~arkjl ~jdjm jqv jnjljd cam`a~jdqk

    jxlkejvkm{j- Djl ~arvaoq~ iq`j njxj~ nklkdj~ xjnj ^joal ?- Oarkeq~ kmk carqxjejm jfqjm {jm`

    njxj~ nk`qmjejm qm~qe xacklkdjm faxj~ xjnj vkv~ac ~jdjm jqv9U6S

    j- ^am~qejm oj~jv cjevkcqc bxarjvkbmjl xjnj vkv~ac cj~arkjl ~jdjm jqv qm~qevjga~{

    njm lkga~kca-

    o- ^am~qejm xjrjca~ar bxarjvkbmjl cjevkcqc njm erk~arkj xargbrcj njrk cj~arkjl ~jdjm

    jqv- Erk~arkj xargbrcj ckvjlm{j iqcljd vkelqv xam``qmjjm njm lkm`eqm`jm-

    f- Camam~qejm vkgj~ caejmke, gkvkej, ekckj {jm` nkoq~qdejm blad cj~arkjl ~jdjm jqv nk

    jxlkejvk ~ar~am~q-

    n- Cacxardj~kejm ea~arvankjjm cj~arkjl njm okj{j

    Ca~bnblb`k qm~qe camnavjkm cj~arkjl ~jdjm jqv k~q vamnkrk ~arnkrk camijnk > ~jdjxjm

    {jk~q9U:S

    j- Jmjlkvj vkv~ac nkcjmj nkljeqejm xam`qikjm navjkm, knam~kgkejvk,ejrje~arkvjvk

    ~rkobvkv~ac, njm vacqj wjrkjola xjnj jxlkejvk,

    o- Xacklkdjm cbnal nkcjmj oar~qiqjm qm~qe camam~qejm navjkm nam`jm cam{jcjejm

    ejrje~arkv~ke ~rkobvkv~ac nam`jm naverkxvk njrk ~kxa caejmkvcajqv {jm` ~arijnk

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv 0

    f- Xacklkdjm nj~j nkcjmj oar~qiqjm qm~qe camam~qejm mkljk

    n- Warkgkejvk nkcjmj oar~qiqjm qm~qe camwjlknjvk cbnallkm` {jm` ~aljd nkoqj~-

    Erk~arkj njvjr njxj~ nkjxlkejvkejm xjnj vjj~ xacklkdjm cj~arkjl ~jdjm jqv- Erk~arkj

    q~jcj jnjljd cj~arkjl ~arvaoq~ ~a~jx v~jokl vafjrj caejmke, ekckj njm ~darcjl xjnj ebmnkvk

    bxarjvk- Erk~arkj eanqj jnjljd iqcljd v~ravv {jm` ebm~je nam`jm ram~jm` aljv~ke cj~arkjl-

    Qm~qe qcqr xam``qmjjm {jm` ljcj nk ojpjdvlknkm` pajrqcqcm{j nkoq~qdejm rjvkb laokd

    oavjr ? : jm~jrj ~k~ke lqlqd njm iqcljd v~ravv {jm` ebm~je- Qm~qe kcxje njm rbllkm`, rjvkb

    njxj~ laokd eafkl {jk~q camnaej~k :- Xjnj vk~qjvk jorjvkwa pajr, nkoq~qdejm cj~arkjl {jm`

    laokd earjv nkojmnkm`ejm xjr~keal jorjvkg {jm` jnj qm~qe cackmkcjlkr jqv-U:S

    Valjkm k~q okjvjm{j xacklkdjm cj~arkjl {jm` ~axj~ qm~qe jxlkejvk ~jdjm jqv ojrq njxj~

    nkljeqejm va~aljd cacxar~kcojm`ejm gje~br ljkm {jm` camam~qejm ljiq jqv- Oarkeq~ kmk

    carqxjejm gje~br gje~br ljkm {jm` djrqv nkxardj~kejm9U7S

    ^acxarj~qr lkm`eqm`jm j~jq ~acxarj~qr nkcjmj cj~arkjl ebm~je nam`jm xarcqejjm

    jqv

    Nkv~rkoqvk qeqrjm xjr~keal {jm` oarjnj xjnj xarcqejjm jqv

    Jorjvkwamavv njrk xjr~keal ~arvaoq~

    Caejmkvca jqv {jm` ~arijnk $`bq`km`, vlknkm`, kcxjf~, nll+

    Eafaxj~jm jlkrjm cj~arkjl {jm` ebm~je nam`jm xarcqejjm jqv

    Ejmnqm`jm ealacojojm njm lawal ebmnkvk ebrbvkgk~jv

    Ebmnkvk qcqc $navjkm jlj~, dajn rbbc jwjkljola, jevavkoklk~jv, xarkbna xamarkcjjm

    njrk xarjlj~jm {jm` ~knje ~arvankj+

    Vaxar~k {jm` ~aljd nkvaoq~ejm nkj~jv ojdpj cj~arkjl ~jdjm jqv oqejm carqxjejm vkgj~

    km~rkmvke cj~arkjl vadkm``j vaoamjrm{j eaearjvjm xjnj qcqcm{j ~knje fqeqx qm~qe camijnk

    kmnkej~br njrk ea~jdjmjm cj~arkjl cjvkd ojm{je gje~br ljkm {jm` djrqv nkxardj~kejm- Xjnj

    ^joal 6 oarkeq~ kmk carqxjejm jxlkejvk jqv xjnj cj~arkjl raej{jvj ~ar~am~q-U:S

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv 4

    ^joal 6- Cj~arkjl raej{jvj qm~qe jxlkejvk jqvU:S

    Valjmiq~m{j xjnj ^joal > oarkeq~ kmk kmk njxj~ nk`qmjejm vaoj`jk jfqjm xjnj

    xacklkdjm cj~arkjl jqv {jm` nkxam`jrqdk blad oaoarjxj gje~br ljkmm{j-U7S

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv ;

    ^joal >- Xargbrcj njrk oaoarjxj cj~arkjl ~jdjm jqv vaoj`jk jfqjm qm~qe xacklkdjm cj~arkjlU7S

    @jcojr 6 njxj~ nk`qmjejm xqlj qm~qe jfqjm vjj~ jejm cacklkd cj~arkjl v~jkmlavv

    v~aalnam`jm ea~jdjmjm jqv njm ebrbvk {jm` ojke-U?S

    @jcojr 6- Xjnqjm v~jkmlavv v~aal ~jdjm jqvU?S

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

    Cj~arkjl ^jdjm Jqv :8

    ^joal 1 njm 7 oarkeq~ kmk cacoarkejm kmgbrcjvk {jm` laokd na~jkl qm~qe oaroj`jk

    cj~arkjl ~jdjm jqv {jm` ~aljd nkjxlkejvkejm vafjrj vqevav- Ea~kej cacklkd cj~arkjl qm~qe

    jxlkejvk {jm` ljkm, camijnk xam~km` qm~qe cam`a~jdqk caejmkvca jqv {jm` ~arijnk ejramj kmk

    carqxjejm gje~br q~jcj qm~qe cacklkd cj~arkjl {jm` bx~kcqc-U7S

    ^joal 1- Oaroj`jk cjfjc cj~arkjl ~jdjm jqv oavar~j jxlkejvkm{jU7S

    ^kxa Ebcxbvkvk Djrnmavv orkmall Jxlkejvk

    Fjv~ krbm

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    :>1? JV^C J>4

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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    QJV Xacklkdjm njm Navjkm Cj~arkjl

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