題目：Seeing?the?Unseen:?Invizo?6000?APT?Driven?Defect?Analysis?for?High-performance?AM?Alloys
時間：2026年1月9日 15:30-17:00
地點：機械與動力工程學(xué)院 F310會議室
邀請人：宋淼 副教授（核燃料循環(huán)與核材料研究所）
Biography
Dr.?Tan?Xipeng?is?currently?a?tenure-track?Assistant?Professor?in?the?Department?of?Mechanical?Engineering,?National?University?of?Singapore.?He?received?his?PhD?in?materials?science?from?the?Institute?of?Metal?Research?(Shenyang?IMR),?Chinese?Academy?of?Sciences?in?2013.?After?his?postdoctoral?training?on?atom?probe?tomography?in?France,?he?joined?Nanyang?Technology?University?as?a?Senior?Research?Fellow?working?on?metal?additive?manufacturing.?Dr.?Tan?is?leading?a?newly?set?up?XP3?Lab?@NUS,?focusing?on?powder?metallurgy,?3D?printing,?and?atom?probe?tomography.?His?main?research?interest?lies?in?microstructure?design?and?control?strategies?for?high-performance?metal?additive?manufacturing.?He?published?more?than?70?peer-reviewed?journal?papers?in?metallurgy?and?additive?manufacturing,?including?8?Highly?Cited?Papers?in?terms?of?Web?of?Science.?His?recent?publications?have?received?more?than?9000?citations?in?Google?Scholar.?He?has?been?in?the?Stanford’s?Top?2%?Scientists?List?from?2021?to?2025.?He?is?an?editorial?board?member?of?Advanced?Powder?Materials.?
Abstract
Atom?Probe?Tomography?(APT)?has?become?indispensable?for?decoding?nanoscale?phenomena?that?govern?the?performance?limits?of?advanced?structural?and?functional?materials.?The?newly?launched?Invizo?6000?“ADAPT”?platform?at?National?University?of?Singapore?further?elevates?this?capability,?enabling?unprecedented?atomically-resolved?3D?chemical?mapping?and?analysis?of?various?types?of?‘defects’?with?enhanced?sensitivity,?field?of?view,?and?operational?robustness.?In?this?seminar,?I?will?demonstrate?how?Invizo-enabled?defect?analysis,?including?solute?segregation,?short?range?ordering?or?clustering,?dislocation-associated?chemistry,?and?nanoscale?precipitation?or?inclusions,?provides?critical?insights?into?process-structure-property?relationships?in?metal?additive?manufacturing?(AM).?By?integrating?APT?with?CALPHAD,?melt-pool?modelling?and?correlative?microscopy,?we?establish?a?pathway?for?rational?alloy?and?process?design.?This?talk?highlights?how?APT-driven?analysis?of?defects?could?facilitate?the?discovery?and?development?of?strong,?tough?yet?defect-tolerant?AM?metals?for?extreme?environment.
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ENGLISH
地址：上海市東川路800號上海交通大學(xué)閔行校區(qū)機械與動力工程學(xué)院
郵編：200240
Email：sjtume@sjtu.edu.cn