TY - GEN AU - N., N. ID - 42312 TI - Matching mit Minderheiten ER - TY - GEN AU - N., N. ID - 42316 TI - Piracy and Visioning ER - TY - GEN AU - N., N. ID - 42303 TI - Revenue Sharing Contracts: Horizontale Koordination in der E-Commerce-Logistik ER - TY - GEN AU - N., N. ID - 45236 TI - Design and Implementation of a Crowd-based Prototype Validation Platform ER - TY - GEN AU - N., N. ID - 45237 TI - Model-based Continuous Experimentation for Software Product Prototypes ER - TY - GEN AU - N., N. ID - 45239 TI - Lightweight Process Engine for Situation-specific Development of Business Models for Digital Platforms ER - TY - GEN AU - N., N. ID - 45240 TI - Development and Evaluation of a Multi Platform Approach for Augmented Reality Product Configuration ER - TY - GEN AU - N., N. ID - 45238 TI - Model-based Feature Backlog Synchronization for Dual-Track Development Methods ER - TY - JOUR AB - Heat-assisted forming processes are becoming increasingly important in the manufacturing of sheet metal parts for body-in-white applications. However, the non-isothermal nature of these processes leads to challenges in evaluating the forming limits, since established methods such as Forming Limit Curves (FLCs) only allow the assessment of critical forming strains for steady temperatures. For this reason, a temperature-dependent extension of the well-established GISSMO (Generalized Incremental Stress State Dependent Damage Model) fracture indicator framework is developed by the authors to predict forming failures under non-isothermal conditions. In this paper, a general approach to combine several isothermal FLCs within the temperature-extended GISSMO model into a temperature-dependent forming limit surface is investigated. The general capabilities of the model are tested in a coupled thermo-mechanical FEA using the example of warm forming of an AA5182-O sheet metal cross-die cup. The obtained results are then compared with state of the art of evaluation methods. By taking the strain and temperature path into account, GISSMO predicts greater drawing depths by up to 20% than established methods. In this way the forming and so the lightweight potential of sheet metal parts can by fully exploited. Moreover, the risk and locus of failure can be evaluated directly on the part geometry by a contour plot. An additional advantage of the GISSMO model is the applicability for low triaxialities as well as the possibility to predict the materials behavior beyond necking up to ductile fracture. AU - Camberg, Alan Adam AU - Erhart, Tobias AU - Tröster, Thomas ID - 24009 JF - Materials SN - 1996-1944 TI - A Generalized Stress State and Temperature Dependent Damage Indicator Framework for Ductile Failure Prediction in Heat-Assisted Forming Operations ER - TY - GEN AU - Anonymous, Anonymous ID - 45254 TI - Device-Independent Security Proofs Via Entropy Accumulation ER -