Published 02/14/2022 at 312 × 164 in Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry