CFRP夹层结构的泡沫芯（23页）.pptx

1、Foam core of sandwich structure in CFRPQianwen Kong,HP Products for the Composite Industry,ROHACELL Foam for sandwich structures,VESTAKEEP VESTAMID,TROGAMIDVESTAMID HTplus PEEK,(Co)PA12 and PPA resin for thermoplastic matrices,VESTAMID PA powders as toughener for epoxyP84 PI Powder as BMI resin modi

2、fier,Slide|2,Slide|3,ROHACELL,ROHACELL Sandwich increases stiffness and is Key to Weight Saving,bending stiffness bending strength weight,monolithic,sandwich,sandwich,Why use sandwich construction?The sandwich principle,high modulus and can carry tensile and compression loads,low density and can car

3、ry shear loads,Page 4,ROHACELL industry breakdown,Aircraft,Lifestyle*,Auto,Wind,*Lifestyle:sports equipment,medical tables,electronics,radomes,ROHACELL New Innovations,Page|5,Sandwich construction leads to the lightest available final parts.,Four material options:,Dimensioning load case:Boundary con

4、ditions on hinges and lockForce couple of F=100 N on edges of lidMaximum deflection from all load casesGlazing has a major effect on torsional stiffness,Load case:“Torsion”,Page|6,Torsion,ROHACELL New Innovations,Page|7,It can also offer significant cost reduction in mass production.,Page|8,Requirem

5、ents from OEMs:“Competitive costs for composites”,Overall cost,currentcomposite costs,requestedcosts,100%,Production process has the biggest potential to decrease costs!,0%,Slide|9,1.Liquid Solution,2.Co-Polymer Sheet=Pre-Product,3.Raw Foam Block,4.Cut-to-Size Foam Sheets,5.Net-shaped cores,Polymeth

6、acrylimid(PMI)foamROHACELL for sandwich core,6.Sandwich(customer),Basic Monomers:Methacrylic Acid/Methacrylonitrile,ROHACELL New Innovations,Page|10,Mass production with ROHACELL products New thermo-shaping technique Innovative“In Mold Foaming”,ROHACELL New Innovations,Page|11,New thermo-shaping tec