Suitable heat treatment will increase the crack extension energy, and improve the plasticity of the composite.

适当的热处理可提高裂纹扩展所需塑性功，从而在一定范围内改善复合材料塑性。

youdao

The impact toughness, crack forming energy and crack extension energy of complex modified medium manganese austenitic steel. Are increased by 263%? 288% and 232% respectively.

复合变质中锰奥氏体钢的冲击韧度、裂纹形成功和裂纹扩展功分别比原来提高了263%、288%和232%。

youdao

On January 10, Fermi National Accelerator Laboratory, which operates the Tevatron, announced that the U.S.Department of Energy (DoE) had denied a proposed three-year extension of the collider.

1月10日，运作泰威顿的费尔米国家加速实验室宣布，美国能源部已否决了该对撞机延期三年的提案。

youdao

The incentive law was due to expire, but in 2004, the Bush administration extended the program and Congress ratified that extension in the 2005 energy bill.

NPR: 'Flex-Fuel' Concept Fails to Deliver on Potential

Next week, Wetstone expects a vote in the U.S. House of Representatives on his group's most important legislative priority, a long-term extension of the wind energy production tax credit (PTC).

FORBES: Wind Winds Up

And because this is a logical step and a natural extension for our involvement in the energy markets.

NPR: Oil-Rich Abu Dhabi Builds Renewable-Energy City