Moreover, they are able to decrease the temperature and increase the stress of hot cracking formation, as a result, decrease the tendency of hot cracking.
同时，稀土使合金的热裂纹形成温度降低，增加了热裂纹形成应力，降低了合金的热裂倾向性。
Although the 7075-t6 aluminum has a much higher strength to weight ratio, it does have a higher tendency of cracking than 6061 T6.
虽然7075 - T 6铝合金具有重量比，它的强度高得多确实有一定的打击比6061至T6高的趋势。
The authors believe that water accumulated on the surface of adhesion bridge neck from the sand-resin surface and atmosphere is a very factor to hot cracking tendency of resin coated sand.
环境湿度对覆膜砂铸型（芯）性能的影响是通过粘接桥界面上水分的积聚而起作用的。
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