The mechanical properties and weldabilities of X80 pipeline steel were investigated by testinghardness, tensile strength and impact toughness in this paper.
The suitable content of UPU were determined by the testing of impact resistance, hardness and HDT of the cured resins toughened with UPU.
根据UPU增韧聚酯的落重冲击能和热变形温度等力学性能的测试，初步确定了适宜胶种的合成条件及其用量。
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The comprehensive mechanical properties analysis mainly includes Cryogenic impact test, Vickers hardness test, the Tensile testing at ambient temperature and the Bending test.