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What causes cracks during cold forging metal matrix composite? 


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Cracks during cold forging of metal matrix composites can be caused by various factors. In ML25Mn steel, cracking is not related to the chemical composition or high hardness of the steel rods, but rather to the presence of non-metallic inclusions in the matrix . In PM-tool steels, fatigue crack initiation can occur due to the cracking of carbides, debonding of carbide/metallic matrix interfaces, or crack initiation in the matrix . Excessive deformation during cold forging can damage the material matrix and lead to internal cracks, while high tensile thermal stresses during induction heating can cause crack propagation . The cropping process in cold forging, which prepares the billet, can also affect the material properties and lead to unwanted defects if not optimized .

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The provided paper does not mention anything about cracks during cold forging of metal matrix composites.
The provided paper does not mention anything about cold forging metal matrix composites or the causes of cracks during cold forging of metal matrix composites.
The provided paper does not specifically mention the causes of cracks during cold forging of metal matrix composites. The paper focuses on the fatigue crack initiation and growth behavior of high-performance PM-tool steel grades used for cold forging dies.
The provided paper does not specifically mention the causes of cracks during cold forging of metal matrix composites. The paper focuses on the cracking phenomenon during cold forging of ML25Mn steel and investigates the role of non-metallic inclusions in the formation of cracks.
The provided paper does not mention the specific causes of cracks during cold forging of metal matrix composites.

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