[{"data":1,"prerenderedAt":202},["ShallowReactive",2],{"activity-\u002F_activities\u002Fpolymer-labs":3},{"id":4,"title":5,"body":6,"category":188,"date":189,"description":190,"extension":191,"highlighted":192,"image":193,"meta":194,"navigation":192,"path":198,"seo":199,"stem":200,"__hash__":201},"activities\u002F_activities\u002Fpolymer-labs.md","Lab Training: Polymer Tensile Testing, Rheometry, & SEM Microstructure",{"type":7,"value":8,"toc":178},"minimark",[9,13,22,33,36,41,44,49,79,83,112,116,137,139,152,154,157,159,166,172],[10,11,5],"h1",{"id":12},"lab-training-polymer-tensile-testing-rheometry-sem-microstructure",[14,15,16,17,21],"p",{},"Hands-on laboratory training is the core of our ",[18,19,20],"strong",{},"Polymer Materials"," module. Students of the MSI Intake 2024 cohort recently successfully completed a series of advanced, practical lab sessions designed to characterize the mechanical, rheological, and morphological properties of polymeric macromolecules.",[14,23,24,25,28,29,32],{},"Supervised by ",[18,26,27],{},"Prof. Dr. rer. nat. Sven Henning"," from the ",[18,30,31],{},"Fraunhofer Institute (IMWS)",", Germany, students utilized high-end research equipment to connect theoretical polymer chemistry with macroscopic engineering behavior.",[34,35],"hr",{},[37,38,40],"h2",{"id":39},"the-three-core-characterization-pillars","🔬 The Three Core Characterization Pillars",[14,42,43],{},"Students worked in specialized lab groups, rotating through three high-impact experimental stations:",[45,46,48],"h3",{"id":47},"activity-1-mechanical-testing-constitutive-deformation","📊 Activity 1: Mechanical Testing & Constitutive Deformation",[50,51,52,59,73],"ul",{},[53,54,55,58],"li",{},[18,56,57],{},"Core Action:"," Conducting tensile testing using VGU's Universal Testing Machine (UTM) on standard polymer specimens.",[53,60,61,64,65,68,69,72],{},[18,62,63],{},"Academic Topics:"," Analyzing elastic and plastic deformation, plotting ",[18,66,67],{},"stress-strain curves",", and calculating ",[18,70,71],{},"Young's modulus",", yield strength, and elongation at break.",[53,74,75,78],{},[18,76,77],{},"Relevance:"," Understanding mechanical limits to predict structural reliability under external loads.",[45,80,82],{"id":81},"activity-2-rheometry-polymer-melt-flow-behavior","🌊 Activity 2: Rheometry & Polymer Melt Flow Behavior",[50,84,85,94,107],{},[53,86,87,89,90,93],{},[18,88,57],{}," Operating a high-precision rotational ",[18,91,92],{},"rheometer"," to measure viscosity changes.",[53,95,96,98,99,102,103,106],{},[18,97,63],{}," Monitoring viscosity dependence on temperature and ",[18,100,101],{},"shear rate",", and analyzing ",[18,104,105],{},"non-Newtonian shear-thinning"," behavior.",[53,108,109,111],{},[18,110,77],{}," Optimizing polymer melt flow for automated manufacturing processes like injection molding and extrusion.",[45,113,115],{"id":114},"️-activity-3-high-resolution-imaging-via-scanning-electron-microscopy-sem","🖼️ Activity 3: High-Resolution Imaging via Scanning Electron Microscopy (SEM)",[50,117,118,127,132],{},[53,119,120,122,123,126],{},[18,121,57],{}," Preparing samples and conducting high-vacuum ",[18,124,125],{},"SEM imaging"," on polymer fracture surfaces.",[53,128,129,131],{},[18,130,63],{}," Operating electron optics at the micro-nano scale, observing morphological features, micro-voids, and micro-cracks.",[53,133,134,136],{},[18,135,77],{}," Understanding morphological features and analyzing structural failures to design tougher, more durable polymer blends.",[34,138],{},[140,141,142],"blockquote",{},[14,143,144,148,151],{},[145,146,147],"span",{},"!NOTE",[18,149,150],{},"VGU Research Edge:","\nHaving a world-leading expert from the Fraunhofer Institute (IMWS) guide students through SEM fracture analysis and rheometry ensures our graduates master characterization techniques at a world-class level.",[34,153],{},[14,155,156],{},"We congratulate our MSI 2024 cohort for their outstanding laboratory reports and rigorous analytical work throughout the course!",[34,158],{},[14,160,161],{},[162,163],"img",{"alt":164,"src":165},"Universal Testing Machine tensile procedure - Illustration 1","\u002Fimages\u002Facademic_activities\u002Fpolymer-labs-img-1.jpg",[14,167,168],{},[162,169],{"alt":170,"src":171},"Rotational rheometer flow measurement practice - Illustration 2","\u002Fimages\u002Facademic_activities\u002Fpolymer-labs-img-2.jpg",[14,173,174],{},[162,175],{"alt":176,"src":177},"Scanning Electron Microscopy (SEM) morphology imaging - Illustration 3","\u002Fimages\u002Facademic_activities\u002Fpolymer-labs-img-3.jpg",{"title":179,"searchDepth":180,"depth":180,"links":181},"",2,[182],{"id":39,"depth":180,"text":40,"children":183},[184,186,187],{"id":47,"depth":185,"text":48},3,{"id":81,"depth":185,"text":82},{"id":114,"depth":185,"text":115},"Lab Works","2025-12-12","VGU MSI students perform advanced polymer characterization using tensile testing, rheometry flow analysis, and SEM imaging under Prof. Sven Henning.","md",true,"\u002Fimages\u002Facademic_activities\u002Fpolymer-labs-cover.jpg",{"ja_id":195,"edited":192,"modules":196},"12884225",[197],"polymers","\u002F_activities\u002Fpolymer-labs",{"title":5,"description":190},"_activities\u002Fpolymer-labs","p1CeThZApS8SQVqfCohNMyHnkv4rPPcSJoUez6yD2o4",1780343974941]