Anyị na-eji kuki iji kwalite ahụmịhe gị. Site na ịga n'ihu na-eme nchọgharị na saịtị a ị kwenyere na ojiji anyị ji kuki. Ozi ndị ọzọ.
N'ime akụkọ na-adịbeghị anya nke e bipụtara na akwụkwọ akụkọ Additive Manufacturing Letters, ndị nchọpụta na-atụle uru nke igwe anaghị agba nchara nke kemịkal maka ịgbatị ndụ ntụ ntụ na mmepụta ihe.
Nnyocha: Ịgbatị ndụ ntụ ntụ na mmepụta ihe mgbakwunye: Chemical Etching of Stainless Steel Spatter.Ebe E Si Nweta Foto: MarinaGrigorivna/Shutterstock.com
Metal Laser Powder Bed Fusion (LPBF) A na-emepụta ụmụ irighiri mmiri na-agbapụta site na ụmụ irighiri mmiri a wụrụ awụ nke a chụpụrụ n'ọdọ mmiri a wụrụ awụ ma ọ bụ ihe ntụ ntụ na-ekpo ọkụ na nso ma ọ bụ n'elu ebe mgbaze ka ha na-agafe n'ọkụ laser.
N'agbanyeghị na ojiji nke ihe inert gburugburu ebe obibi, na metal si elu reactivity nso ya agbaze okpomọkụ na-akwalite oxidation.Ọ bụ ezie na spatter ahụ ejected n'oge LBPF agbaze ma ọ dịkarịa ala obere oge na elu, mgbasa nke obodo ọcha n'elu nwere ike ime, na ihe ndị a nwere nnukwu mmekọrịta maka oxygen na-emepụta akwa oxide n'ígwé.
Ebe ọ bụ na nrụgide akụkụ nke oxygen na LBPF na-adịkarị elu karịa nke gas atomization, ohere nke ijikọ na oxygen na-abawanye.
A maara igwe anaghị agba nchara na nickel alloy spatters ka oxidize ngwa ngwa, na-eme agwaetiti ruo ọtụtụ mita n'ịdị arọ. Na mgbakwunye, igwe anaghị agba nchara na alloys nke nickel, dị ka ndị na-emepụta ụdị oxide spatters nke agwaetiti, bụ ihe ndị a na-ejikarị eme ihe na LPBF, na itinye usoro a ka ọ bụrụ ụdị LPBF metal spatters dị oke egwu na-egosipụta n'ụzọ dị egwu.
(a) SEM oyiyi nke igwe anaghị agba nchara spatter particles, (b) usoro nnwale nke thermal chemical etching, (c) ọgwụgwọ LPBF nke deoxidized spatter particles.Ebe E Si Nweta Foto: Murray, J.W, et al, Mgbakwunye Nrụpụta Akwụkwọ Ozi
N'ime ọmụmụ ihe a, ndị na-ede akwụkwọ na-arụ ọrụ ọhụrụ usoro etching chemical iji wepụ oxides si n'elu oxidized igwe anaghị agba nchara splash powders.Metal dissolution gburugburu na n'okpuru oxide agwaetiti na ntụ ntụ na-eji dị ka isi usoro maka oxide mwepụ, nke na-enye ohere maka ọzọ ike ike oxide mwepụ.The splash, etch na-amaghị nwoke powders e sieved ka otu ntụ ntụ nhazi size nso LPB.
Ndị otu ahụ gosipụtara otu esi ewepụ oxides site na igwe anaghị agba nchara spatter, ọkachasị ndị dịpụrụ adịpụ site na iji usoro kemịkalụ na-etolite agwaetiti Si- na Mn-ọgaranya oxide n'elu ntụ ntụ.
Ndị nchọpụta ahụ lere anya na okpomọkụ yana etchants abụọ dị iche iche nke igwe anaghị agba nchara. Mgbe nyochachara n'otu nha ahụ, a na-emepụta otu egwu LBPF site na iji ntụ ntụ na-amaghị nwoke, ntụ ntụ na-ekpo ọkụ, na nke ọma etched splash powders.
Ụdị LPBF nke ọ bụla nke sitere na spatter, etch spatter, na pristine powder.Ihe oyiyi dị elu na-egosi na a na-ekpochapụ oyi akwa oxide nke jupụtara na egwu egwu na-ekpochapụ na etched sputtered.
Oxide mpaghara mkpuchi na 316L igwe anaghị agba nchara splash ntụ ntụ belata site na ihe nke 10, site na 7% ruo 0.7% mgbe Ralph's reagent na-ekpo ọkụ na 65 Celsius C na mmiri ịsa mmiri maka 1 hour. Mapping nnukwu mpaghara, data EDX gosipụtara mbelata ikuku oxygen site na 13.5% ruo 4.5%.
Etched spatter nwere obere mkpuchi oxide slag dị n'elu egwu ma e jiri ya tụnyere spatter. Tụkwasị na nke ahụ, chemical etching nke ntụ ntụ na-eme ka assimilation nke ntụ ntụ na-eme ka ọ dịkwuo mma.
N'ofe dum 45-63 µm sieve size size, ihe fọdụrụ agglomerated particles na etched na unetched spatter powders na-akọwa ihe mere na trace mpịakọta nke etched na spattered powders yiri, mgbe mpịakọta nke mbụ powders bụ mkpokọta 50% ibu. Agglomerated ma ọ bụ satịlaịtị-akpụ ntụ ntụ a hụrụ na-emetụta nnukwu ọnụ.
Etched spatter nwere obere mkpuchi oxide slag n'elu egwu egwu ma e jiri ya tụnyere spatter. Mgbe a na-ewepụ oxides na kemịkalụ, ọkara na-ejikọta ya na ntụ ntụ na-egosi ihe àmà nke njide dị mma nke oxides belatara, nke a na-ekwu na ọ ka mma wettability.
Schematic na-egosi uru nke ọgwụgwọ LPBF mgbe kemịkalụ na-ewepụ oxides si na splash ntụ ntụ na igwe anaghị agba nchara.A na-enweta ezigbo wettability site na iwepụ oxides.Image credit: Murray, J.W, et al, Additive Manufacturing Letters
Na nchịkọta, ọmụmụ a na-eji usoro etching nke kemịkal na-eme ka ọkpụkpụ na-egbuke egbuke na-eme ka ọkpụkpụ na-egbuke egbuke na-egbuke egbuke site na imikpu na Ralph's reagent, ihe ngwọta nke ferric chloride na cupric chloride na hydrochloric acid. A chọpụtara na imikpu n'ime mmiri ọkụ Ralph na-ekpo ọkụ na-ekpo ọkụ maka 1 hour mere ka mbelata 10e na-ekpuchi ntụ ntụ.
Ndị na-ede akwụkwọ kwenyere na etching kemịkalụ nwere ike imeziwanye ma jiri ya mee ihe n'ọtụtụ buru ibu iji megharịa ọtụtụ ihe ndị e ji eme ihe ma ọ bụ ntụ ntụ LBPF, si otú ahụ na-abawanye uru nke ihe ndị dabeere na ntụ ntụ dị oke ọnụ.
Murray, JW, Speidel, A., Spierings, A. et al. Extending ndụ ntụ ntụ na mgbakwunye mmepụta ihe: chemical etching nke igwe anaghị agba nchara spatter.Additive Manufacturing Letters 100057 (2022) .https://www.sciencedirect.com/science/article/pii/S27723690222
Disclaimer: Echiche ndị ekwuru ebe a bụ nke ndị odee n'ikike nke onwe ha, ọ bụghịkwa na ọ bụchaghị na-anọchite anya echiche AZoM.com Limited T/A AZoNetwork, onye nwe na onye na-ahụ maka webụsaịtị a. Nkwuputa a bụ akụkụ nke usoro na ọnọdụ ojiji nke webụsaịtị a.
Surbhi Jain bụ onye na-ede akwụkwọ nkà na ụzụ nweere onwe ya dabeere na Delhi, India.She nwere Ph.D. natara PhD na Physics site na Mahadum Delhi wee soro na ọtụtụ ọrụ sayensị, omenala na egwuregwu.Her academic background is in material science research, specializing in the development of optical devices and sensors.She has a great experience in content writing, editing, paper and index index has published in index and index index 2. Ikikere dabere na ọrụ nyocha ya. Ọ na-enwe mmasị ịgụ akwụkwọ, ide ihe, nyocha na teknụzụ, ọ na-atọ ya ụtọ isi nri, ime ihe, ịkọ ubi na egwuregwu.
Jainism, Subi.(24 Mee 2022) .Ụzọ etching kemịkalụ ọhụrụ na-ewepụ oxides sitere na oxidised igwe anaghị agba nchara splash powder.AZOM.Retrieved July 21, 2022 si https://www.azom.com/news.aspx?newsID=59143.
Jainism, Subi." Usoro etching ọhụrụ nke kemịkalụ iji wepụ oxides sitere na ntụ ntụ igwe anaghị agba nchara."AZOM.July 21, 2022.
Jainism, Subi.” Usoro etching ọhụrụ nke kemịkalụ iji wepụ oxides sitere na ntụ ntụ igwe anaghị agba nchara”.AZOM.https://www.azom.com/news.aspx?newsID=59143.(Nwetara 21 Julaị 2022).
Jainism, Subi.2022.Usoro etching ọhụrụ nke kemịkalụ iji wepụ oxides na oxidized igwe anaghị agba nchara splash powder.AZoM, enwetara Julaị 21, 2022, https://www.azom.com/news.aspx?newsID=59143.
Na Advanced Materials na June 2022, AZoM gwara Ben Melrose nke International Syalons banyere ahịa ihe dị elu, ụlọ ọrụ 4.0, na ntinye aka na efu efu.
Na Advanced Materials, AZoM kwuru na General Graphene's Vig Sherrill banyere ọdịnihu nke graphene na otú ha akwụkwọ akụkọ mmepụta technology ga-ebelata ọnụ ahịa imeghe a dum ụwa ngwa nke ngwa n'ọdịnihu.
N'ajụjụ ọnụ a, AZoM na Levicron President Dr. Ralf Dupont na-ekwurịta banyere ikike nke ọhụrụ (U) ASD-H25 moto spindle maka ụlọ ọrụ semiconductor.
Chọpụta OTT Parsivel², mita mgbapụ laser nke enwere ike iji tụọ ụdị mmiri ozuzo niile. Ọ na-enye ndị ọrụ ohere ịnakọta data na nha na ọsọ nke ụmụ irighiri ihe na-ada.
Environics na-enye usoro mmesa nke onwe ya maka otu tube ma ọ bụ ọtụtụ ihe eji eme ihe.
MiniFlash FPA Vision Autosampler sitere na Grabner Instruments bụ autosampler ọnọdụ 12. Ọ bụ ngwa ngwa akpaaka emebere maka iji ya na MINIFLASH FP Vision Analyzer.
Edemede a na-enye ntule njedebe nke ndụ batrị lithium-ion, na-elekwasị anya n'ịmegharị ọnụ ọgụgụ batrị lithium-ion na-arịwanye elu iji mee ka ụzọ dịgidere na okirikiri maka iji batrị na iji ya eme ihe.
Corrosion bụ mmebi nke ihe alloy n'ihi ikpughe na gburugburu ebe obibi. A na-eji usoro dị iche iche eme ihe iji gbochie mmebi nke ihe ndị na-emepụta ihe na-eme ka ihe ndị dị n'igwe pụta ìhè na ikuku ma ọ bụ ọnọdụ ọjọọ ndị ọzọ.
N'ihi mmụba na-arịwanye elu maka ume, ọchịchọ maka mmanụ ọkụ nuklia na-abawanyekwa, nke na-eduga n'ihu n'ịbawanye ụba na ọchịchọ maka nyocha teknụzụ post-irradiation (PIE).