Meso shine sabon nano.- Farfesa Peter Hosemann, UC Berkeley
TsarinMeso Scale A ƙarƙashin Microscope Universal Load Frame
Universal Loading System a ƙarƙashin microscope
AmurkaPsylotech ta μTS ne na musamman tsakaninA sikelin tsakanin nano presshead da macro universal load tsarinMini Universal kayan gwaji tsarin, za a iya wucewaHaɗuwa da software mai alaka da hoton dijital (DIC) da microscopeNon-contact aunawa don samunLokaci stress filin bayanai.
Psylotech's µTS shine ƙaramin tsarin gwajin kayan duniya na musamman wanda ke da damar tsawon sikelin tsakanin nano-indenters da macro universal load frames. Ba tare da tuntuɓar, auna matsin lamba na gida a kan waɗannan da ake kira sikelin tsawon meso ya fito ne daga haɗin hoton dijital (DIC) da microscopy.
Bayani na fasaha Technology
μTS yana da daidaitawa ta musamman ga tsawon, gudun da ƙarfi a cikin sikelin daban-daban:
•Tsawon: Ƙuntata motsi daga jirgin sama, μTS yana ba da damar ingantaccen haɗin hoton dijital mai girma, duk da iyakancewar zurfin filin a cikin microscopes na gani.
•Saurin: Mai aiki na ballscrew mai kai tsaye yana ba da damar gudun da ke rufe umarni 9 na girma. Babban saurin yana ba da damar sarrafa kaya mai inganci, nazarin da ya dogara da saurin da gwaje-gwajen shakatawa ko damuwa.
•Karfi: Fasahar firikwensin mai ƙuduri mai ƙarfi tana ba da ƙuduri mai ƙarfi sau 100 idan aka kwatanta da madadin da aka yi amfani da shi.
Sauke yanzu kuma duba shafin samfurin µTS SaukewaTakardar µTS(Sabunta na 2018.09.06).
Gidajen Grips
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A matsayin tsarin gwaji na duniya, μTS yana da nau'in T-Slot Interface don nau'ikan kayan aiki daban-daban. Triangular / Plane dubawa geometry tabbatar da daidai juyawa daidaitawa. Akwai daidaitattun kayan aiki sun haɗa da stretching, matsawa, daidaitawa da kuma yanayin haɗuwa Arcan. Kuma za a iya tsara al'ada fixtures bisa ga takamaiman bukatun. A matsayin tsarin gwajin duniya, μTS yana aiwatar da dubawa ta T-slot don nau'ikan kama daban-daban. The triangle / flat dubawa geometry tabbatar da daidaitaccen juyawa daidaitawa. Abubuwan da ke samuwa na yau da kullun sun haɗa da tashin hankali, matsawa, karkata haske da kuma yanayin hadaddun Arcan. Tambaye mu yadda za a iya tsara rukunin musamman don takamaiman bukatunku. |
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kewaye Stretching Clamping gwaji a kan saman da kuma kasa surface iya haifar da m motsi a lokacin loading. A kewaye-kewaye stretch clippers iya kiyaye samfurin a kan wani madaidaiciya a kan duba jirgin sama, kuma yadda ya kamata ya kiyaye samfurin a cikin jirgin sama. Wani amfani shi ne cewa samfurin za a iya shigar da shi cikin kewaye-kewaye da sauri. Clamping wani samfurin a kan sama da kuma kasa farfajiyar iya haifar da fitar da jirgin sama motsi yayin loading. Rufe kewaye da riƙewar tashin hankali yana riƙe da samfurin a kan farfajiyar da ke daidai da jirgin sama na lura kuma sun yi tasiri wajen kiyaye samfurin a cikin jirgin sama. A matsayin ƙarin amfani, ana iya saka samfuran da sauri a cikin murfin kewaye da kama. |
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Clamp yanka Wasu kayan, kamar fina-finai ko kayan haɗin fiber da aka yanke, ba su da kyau ga geometry na kama-kama. Ana iya amfani da kama-kama a cikin waɗannan lokuta. A madaidaicin micrometer dungulli daidaitawa iya diyya dalilai daga jirgin sama motsi. Hakanan, dunƙule guda ɗaya yana kawar da ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin. |
| Arcan The Arcan kama geometry damar hadaddun yanayin loading daga wani uniaxial load frame. Juyawa da kama sarrafa rabo na tsabtace shear zuwa tsabtace axial damuwa. Wannan fasaha tana amfani da cikakken amfani da auna matsin lamba na gida ta hanyar haɗin hoton dijital. |
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Matsawa Plates matsawa aiwatar da wani sauki springed shelf don riƙe samfurin kafin a yi amfani da kaya. A karkashin kaya, hasken bazara yana da sauƙi yayin da samfurin ya faɗaɗa |
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Beam karkata Akwai kayan aikin lankwasa uku da hudu. Duk sai dai lokacin tuntuɓar daya yana kan ƙarfe mai ƙarfi. Matsayin tuntuɓar da aka kafa yana hana fassara, wanda zai iya ba da karatun bin ƙarya lokacin amfani da bin ƙarya don saka idanu kan ci gaban fashewa. Dukkanin kayan aiki na 3 da 4 suna aiwatar da ɗayan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan. |
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Saituna na zaɓiOptional
Modularity na µTS yana da sassauci kamar yadda yake da ƙarfi. A ƙasa akwai wasu zaɓuɓɓuka masu sauƙi.
Low ƙarfin Load Cell: Sigar 100N na ƙwayoyin kaya na 1.6 kN yana ba da ƙudurin ƙarfi mafi kyau. Tambaye mu game da ƙudurin ƙarfi har zuwa 100 nano Newtons.
Ƙara Saurin: Babban ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙ
Ƙarin Stoke: Ana iya tsawaita kayan aikin kayan aikin 40mm sosai, dangane da buƙatar gwaji.
Majalisar Muhalli: Ana iya sarrafa zafin jiki tsakanin -100C da 200C ta hanyar ɗakin muhalli na zaɓi. Akwai kuma zafin jiki mafi girma. Ƙananan zafin jiki yana buƙatar nitrogen mai ruwa.
SEM: Za a iya karfafa μTS don amfani da shi a cikin binciken microscopes na lantarki. Da fatan za a lura, lokacin rastering da kuma sararin samaniya da na lokaci suna rikitar da DIC tare da hotunan SEM. Binciken gani ba shi da waɗannan iyakancewa.
Tsarin matakin X: Mataki na biyu na matsayi yana kiyaye kowane samfurin a cikin filin kallon microscope, ba tare da la'akari da adadin karkatarwa ba.
Senso na ƙaura mai samfurinr: A matsayin matakin adana kudi, ana iya amfani da mai shimfidar juyawa da ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwar ƙwalƙwalwa.
Sub-10nm Matsayi: Tare da 22 bit juyawa encoder sanya a kan motar, a 1mm pitch ball dungulla bayar da ~ 238 picometers na linear ƙuduri. Sautin firikwensin da jitter na daidaitawa suna kawo kuskuren rufe madauki zuwa ƙasa da 10nm a layi.
Cikakken Kunshin Turnkey: Psylotech na iya samar da cikakken kunshin DIC, gami da Olympus BXFM boom-mounted microscope, software na Vic2D Solutions, teburin keɓewa na rawar jiki da kyamarar USB3.0 ta 4 MP.
Microscope na Raman na Confocal: An haɗa Psylotech's µTS cikin Witec confocal Raman microscope. Software na sarrafa Psylotest yana sarrafa matakin microscope don cibiyar samfurin.
Mai aiki na Tension-Torsion: An ƙara ƙarin mota zuwa gefen da aka kafa na tsarin kaya ban da ƙwayoyin kaya na ƙarfi don sauƙaƙe ɗaukar kaya na axial da torsion.
Musamman halaye Differentiation
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µTS yana ba da ingantattun sarrafa motsi da babban matakin daidaito. Kayan aiki ne mai amfani, wanda ke ba da damar dabarun gwaji iri-iri. An tsara shi don masu gwaji, kulawa mai kyau ga cikakkun bayanai sun haɗa da: |
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Girma a cikin mm
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Ball dunƙule The µTS ya haɗa da kai tsaye drive ball dungulla, maimakon sauki gubar dungulla motsawa ta hanyar wani gearbox. Sakamakon shi ne ƙananan rikice-rikice, ingantaccen sarrafa motsi da ƙananan kulawa. Bugu da ƙari, masu aiki da dunƙule na guba yawanci suna iyakance su ga ƙwanƙwasan sauri. |
Software na Kula da Psylotest An rubuta software na sarrafa μTS a cikin LabVIEW. Yana da takamaiman tacewar dijital na gwajin gwaji da haɗin kyamara, sauƙaƙe bayanai da haɗin gwiwar hoton DIC. Masu amfani da ci gaba suna da zaɓi don gyara shirin don haɗa tsarin waje. |
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Saurin Masu amfani da tsarin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaici Daidai-daidai drive ballscrew rufe 9 umarni na girma a cikin sauri. Zai iya motsawa da sauri kamar tsarin kaya na servohydraulic mai girma ko jinkiri kamar ciyawa yana girma a ranar bazara mai zafi. Babban saurin yana ba da damar sassauci don ƙarin nau'ikan gwaji, gami da: Nazarin da ya dogara da yawan Gwajin kaya na mataki, kamar motsawa ko shakatawa ta damuwa -Ingantaccen sarrafa kaya -gajiya |
Cibiyar Mataki Babban karkatarwa na iya haifar da takamaiman yanki na sha'awa don fitar da filin ganin microscope yayin gwaji. Adawa da dunƙule na hagu / dama na iya rage wannan matsalar, amma irin wannan tsari yana ƙaruwa matsalar tsakiya don samfuran karkata haske. Hakanan, me ya faru lokacin da yankin da ake sha'awar ba a tsakiyar samfurin ba? Za a iya saita μTS tare da matakin tsakiya. Ana bauta wa mai aiki na wannan mataki na biyu ga babban mai aiki na tsarin don samun kowane rabo na motsi. Ba a danganta motsi na gicciye da 50/50 ba, har ma da samfuran karkata haske za a iya kiyaye su a cikin filin gani. |
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Motsi na waje daga jirgin sama A cikin µTS, an haɗa madaidaicin ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙirƙirar ƙir Wannan haɗuwa yana ba da gudummawa ga ingancin in situ hoton kama a ƙarƙashin babban microscope girma. kawar da haƙuri stack-up sarrafawa fita daga jirgin sama motsi. Haɗuwa kuma yana sauƙaƙa tsarin daidaitawa. Don ƙarin sarrafa motsi daga jirgin sama, ana sanya jagororin layi biyu a cikin jirgin sama mai ɗaukar kaya. Duk wani lokaci daga tasirin rikici yana da daidaito kuma ba ya taimakawa ga pitch ko yaw. Tsarin da ya gabata ya sanya jagororin layi a ƙarƙashin jirgin sama mai ɗaukar kaya, yana haifar da matsalolin mayar da hankali a ƙarƙashin girman girman microscope. |
Load Cell µTS yana amfani da fasahar Psylotech ta mallaka tare da ƙwarewar 400 mV / V idan aka kwatanta da 2 mV / V daga madadin ma'auni na damuwa wanda aka samo a cikin tsarin ɗaukar kaya na duniya. Ƙarin hankali yana nufin kimanin ƙuduri mai girma sau 100, yana ba da damar gwaje-gwajen sikelin ƙarfi da yawa. Misali, ana iya amfani da ƙwayoyin kaya na 1.6 kN a kan gwaje-gwaje inda mutum zai yi amfani da ƙwayoyin kaya na 16 N. Masu amfani da ci gaba za su iya amfani da wannan babban hankali don ba da damar sabbin gwaje-gwaje, kamar tsawon fashewa daga bin ƙa'idodi ko maye gurbin na'urorin firikwensin sauti a cikin gwaje-gwajen haɗin gwiwa. |
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Sensor na ƙaura µTS yana lura da motsi a kan axis tare da samfurin. Tsarin madadin yana aiwatar da ma'auni na waje, kamar yadda ƙananan pitch ko yaw ba za a iya guje wa ba a gwaje-gwajen duniya ta ainihi ya bayyana a matsayin karatun ƙarya na ƙarya. A wasu lokuta, ana amfani da matsayin juyawa da pitch don ƙaddamar da motsi. Tare da babban ƙuduri a kan madaidaicin motsi na madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaici Irin wannan sarrafawa yana yiwuwa daga babban mai aiki na ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙwallon ƙ |
Video na gabatarwa
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Runyu Zhang, Huiluo Chen, Sadeq Malakooti, Simon Oman, Bing Wang, Hongbing Lu, Huiyang Luo,Halin matsa lamba mai ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancinTomography na kwamfuta.
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MehdiShishehbor, HyeyoungSon, MdNuruddin, Jeffrey P.Youngblood, ChelseaDavis, Pablo D.Zavattieri,Tasirin daidaitawa da siffofin microstructure akan kaddarorin inji da hanyoyin gazawar fina-finai na cellulose nanocrystals (CNC).
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Jeffrey P. Youngblood, da Chelsea S. Davis*
Kayan Polymer na ACS (ACS Appl. Polym. Mater. 2020, 2, 578−584),Nanocellulose Film Modulus ƙayyade ta hanyar Buckling Mechanics Hanyoyin
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Mirmohammad, H., Gunn, T. & Kingstedt, OT.- Fasahohin gwaji, 2020.In-Situ Full-Field Strain Measurement a cikin Sub-hatsi Scale Ta amfani da Scanning Electron Microscope Grid Method.
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Dibakar Mondal da Thomas Willett, Kasuwancin inji na nanocomposite biomaterials ya inganta ta hanyar extrusion yayin rubutar tawara kai tsaye.
Jami'ar Tennessee Knoxville, Sashen Injiniyan Gida da Muhalli
Mohmad Moshin Thakur da Dayakar Penumadu, Matsa Triaxial a cikin yashi ta amfani da FDEM da micro-X-ray computed tomography.
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Labarin Kasa na Argonne
X Zhang, M Li, JS Park, P Kenesei, JD Almer,A-situ High-makamashi X-ray Nazarin na deformation Mechanisms a Additively Manufactured 316 Bakin Karfe.
Labarin Kasa na Argonne
M Li, X Zhang, JD Almer, JS Park, P Kenesei 2019,Rahoton Karshe kan Binciken Dynamics na Hatsi a cikin Kayan Irradiated tare da High-Energy X-rays.
2018
Lawrence Berkeley National Lab / Jami'ar California Berkeley
Raja, S. N., Ye, X., Jones, MR., Lin, L., Govindjee, S., & Ritchie, RO (2018).Microscopic tsari na deformation canja wurin a high m kewayon rassa nanoparticle deformation firikwensin.Sadarwa ta yanayi, 9 ((1), 1155.
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Adams, D., & Turner, CJ. (2018).Hanyar yanke da ba a sani ba don tsarin kera kayayyaki. Kayan kwaikwayo da na zahiri, 13 ((1), 2-7.
Labarin Binciken Sojojin Amurka
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Sane, H. (2017). Bincike da aiwatar da Fluidic Origami Cellular Solid don Morphing da Aiki.
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Roenbeck, MR, Sandoz-Rosado, EJ, Cline, J., Wu, V., Moy, P., Afshari, M., Reichert, D., Lustig, SR, & Strawhecker, KE (2017).Binciken tsarin ciki na fibers na Kevlar® da tasirinsu kan aikin inji. Polymer, 128, 200-210.
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Jami'ar New Hampshire
Knysh, P., chup; korkolis, YP. (2017). Gano amsar ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfe.Jaridar Kasa da Kasa ta Solids da Tsarin, 115, 149-160.
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Jami'ar New Hampshire
Zhai, J., Luo, T., Gao, X., Graham, SM., Baral, M., Korkolis, YP., & Knudsen, E. (2016).Tsarin lalacewar ductile a cikin titanium mai tsabta.Jaridar Kasa da Kasa ta Solids da Tsarin, 91, 26-45.
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Bayani na ConfigurationConfiguration
Danna hoton da ke sama don shiga cikin umarnin saitiDon daidaituwa na yau da kullun, Da fatan za a danna hoton da ke sama.
Binciken fasaha Game da
An haɓaka fasahohin sarrafa motsi na μTS a cikin dakin gwaje-gwajen bincike na Sojoji WMRD SBIR. Hadin gwiwa tare da Farfesa Ioannis Chasiotis a Jami'ar Illinois Urbana-Champaign yana da mahimmanci ga wannan ƙoƙarin. Manufar ita ce amfani da darussan da rukunin Chasiotis ya koya, yana sa su zama masu amfani da kasuwanci da kuma sauƙin amfani. A cikin tsari, Psylotech ya kara fasahohin firikwensin ƙuduri mai girma kuma ya haɓaka mai aiki da ƙuduri na ƙuduri na ƙuduri don ƙirƙirar µTS.
A cikin sauri don fahimtar sikelin nano, an rufe sikelin tsawon sikelin shida. µTS yana amfani da haɗin hoton dijital don auna matsin lamba na gida a kan waɗannan sikelin tsawon meso tsakanin 10 mm da 5 nm.